Questions
Given the following sample information, test the hypothesis that the treatment means are equal at the...

Given the following sample information, test the hypothesis that the treatment means are equal at the 0.10 significance level:

Treatment 1 Treatment 2 Treatment 3
3 9 6
2 6 3
5 5 5
1 6 5
3 8 5
1 5 4
4 1
7 5
6
4

a. State the null hypothesis and the alternative hypothesis.

H0 : μ1  (Click to select)  =  >  <  μ2    (Click to select)  =  >  <  μ3

H1 : Treatment means  (Click to select)  are not  are   all the same.

b. What is the decision rule? (Round the final answer to 2 decimal places.)

Reject H0 if F >                 .

c. Compute SST, SSE, and SS total. (Round the final answers to 2 decimal places.)

SST =                

SSE =                

SS total =                  


d. Complete the ANOVA table. (Round the SS, MS, and F values to 2 decimal places.)

  Source SS DF MS F
  Factor               
  Error            
  Total        

e. State your decision regarding the null hypothesis.

Decision:  (Click to select)  Reject  Do not reject  H0.

f.Find the 95% confidence interval for the difference between treatment 2 and 3. (Round the final answers to 2 decimal places.)

95% confidence interval is:    ±     

We can conclude that the treatments 2 and 3 are  (Click to select)  different  the same   .

In: Statistics and Probability

a. Using the original values, compute the Euclidean distance between the first two observations. (Round intermediate...

a. Using the original values, compute the Euclidean distance between the first two observations. (Round intermediate calculations to at least 4 decimal places and your final answer to 2 decimal places.)

Euclidean distance between observations 1 and 2 ___________

b. Using the original values, compute the Manhattan distance between the first two observations. (Round your final answer to 2 decimal places.)

Manhattan distance between observations 1 and 2 ___________

c. Use z-scores to standardize the values, and then compute the Euclidean distance between the first two observations. (Round intermediate calculations to at least 4 decimal places and your final answer to 2 decimal places.)

The z-score standardized euclidean distance between observations 1 and 2 ___________

d. Use the min-max transformation to normalize the values, and then compute the Euclidean distance between the first two observations. (Round intermediate calculations to at least 4 decimal places and your final answer to 2 decimal places.)

The min-max standardized euclidean distance between observations 1 and 2 ___________

The accompanying data file contains 10 observations with two variables, x1 and x2.

x1 x2
3.05 3.12
9.28 4.02
7.09 4.1
8.52 2.76
2.27 2.48
5.57 3.21
4.51 1.29
6.9 3.89
4.33 2.75
6.04 3.98

In: Statistics and Probability

Screpcap Co. had the following transactions during the first week of June: June 1 Purchased merchandise...

Screpcap Co. had the following transactions during the first week of June:

June 1 Purchased merchandise on account from Acme Supply, $2,700, plus freight charges of $160.
1 Issued Check No. 219 to Denver Wholesalers for merchandise purchased on account, $720, less 1% discount.
1 Sold merchandise on account to F. Colby, $246, plus 5% state sales tax plus 2% city sales tax.
2 Received cash on account from N. Dunlop, $315.
2 Made cash sale of $413 plus 5% state sales tax plus 2% city sales tax.
2 Purchased merchandise on account from Permon Co., $3,200, plus freight charges of $190.
3 Sold merchandise on account to F. Ayres, $211, plus 5% state sales tax plus 2% city sales tax.
3 Issued Check No. 220 to Ellis Co. for merchandise purchased on account, $847, less 1% discount.
3 Received cash on account from F. Graves, $463.
4 Issued Check No. 221 to Penguin Warehouse for merchandise purchased on account, $950, less 1% discount.
4 Sold merchandise on account to K. Stanga, $318, plus 5% state sales tax plus 2% city sales tax.
4 Purchased merchandise on account from Mason Milling, $1,630, plus freight charges of $90.
4 Received cash on account from O. Alston, $381.
5 Made cash sale of $319 plus 5% state sales tax plus 2% city sales tax.
5

Issued Check No. 222 to Acme Supply for merchandise purchased on account, $980, less 1% discount.

1. Record the transactions in a general journal.

2. Assuming these are the types of transactions Screpcap Co. experiences on a regular basis, select the best design for the following special journals for Screpcap:

a. Sales journal

b. Cash receipts journal

c. Purchases journal

d. Cash payments journal

In: Accounting

Refer to Table 1. For this firm, the average revenue is

Table 1

Quantity Total Revenue

0 $0

1 $5

2 $10

3 $15

4 $20

Refer to Table 1. For this firm, the average revenue is

$0.00

$5.00

$15.00

$20.00

In: Economics

Determine whether the two-person, zero-sum matrix game is strictly determined. 7 2 −3 −2 2 1...

Determine whether the two-person, zero-sum matrix game is strictly determined.

7 2
−3 2
2 1

Yes, it is strictly determined.No, it is not strictly determined.    


If the game is strictly determined, answer the following. (If the game is not strictly determined, enter DNE for each.)

(a) Find the saddle point of the game.


(b) Find the optimal strategy for each player.

The optimal strategy for the row player is to play row  .
The optimal strategy for the column player is to play column  .


(c) Find the value of the game.


(d) Determine whether the game favors one player over the other.

It favors the row player.

It favors the column player.  

It is fair. or

It is not strictly determined. (DNE)

In: Statistics and Probability

obs gpa iq gender concept 1 7.94 121 2 69 2 8.292 120 2 71 3...

obs     gpa     iq      gender  concept
1       7.94    121     2       69
2       8.292   120     2       71
3       4.643   111     2       44
4       7.47    106     2       44
5       8.882   108     1       69
6       7.585   98      2       72
7       7.65    121     2       53
8       2.412   75      2       26
9       6       109     1       47
10      8.833   122     2       64
11      7.47    109     1       46
12      5.528   106     1       62
13      7.167   105     2       53
14      7.571   89      1       68
15      4.7     85      1       62
16      8.167   117     1       50
17      7.822   119     1       46
18      7.598   98      1       64
19      4       100     2       35
20      6.231   104     1       49
21      7.643   129     2       50
22      1.76    98      2       43
24      6.419   109     1       44
26      9.648   128     2       53
27      10.7    126     1       72
28      10.58   123     2       51
29      9.429   120     2       65
30      8       96      2       57
31      9.585   126     2       67
32      9.571   134     1       68
33      8.998   124     1       51
34      8.333   122     1       53
35      8.175   104     2       60
36      8       118     2       46
37      9.333   112     1       62
38      9.5     125     2       67
39      9.167   114     2       61
40      10.14   111     1       65
41      9.999   133     1       55
43      10.76   106     2       95
44      9.763   109     2       72
45      9.41    121     2       65
46      9.167   119     2       84
47      9.348   109     2       43
48      8.167   88      2       55
50      3.647   82      2       41
51      3.408   89      1       56
52      3.936   111     2       30
53      7.167   104     2       71
54      7.647   114     2       59
55      .53     81      2       16
56      6.173   74      2       42
57      7.295   101     2       72
58      7.295   123     1       65
59      8.938   124     1       55
60      7.882   96      1       32
61      8.353   118     2       68
62      5.062   102     2       45
63      8.175   121     2       65
64      8.235   115     2       56
65      7.588   113     2       71
68      7.647   112     2       47
69      5.237   79      1       28
71      7.825   96      2       48
72      7.333   95      1       64
74      9.167   100     2       90
76      7.996   106     2       56
77      8.714   101     1       65
78      7.833   102     1       63
79      4.885   88      2       52
80      7.998   118     1       74
83      3.82    89      2       56
84      5.936   88      1       73
85      9       93      1       65
86      9.5     122     1       88
87      6.057   102     2       52
88      6.057   101     1       61
89      6.938   117     2       39

The data from data216.dat contains information on 78 seventh-grade students. We want to know how well each of IQ score and self-concept score predicts GPA using least-squares regression. We also want to know which of these explanatory variables predicts GPA better. Give numerical measures that answer these questions. (Round your answers to three decimal places.)

(Regressor: IQ) R 2 =

(Regressor: Self-Concept) R 2 =

Which variable is the better predictor?

-IQ

-Self Concept

In: Math

calculate [OH−] and pH for each of the following solutions. 1. 6.0×10−2 M NaBrO 2. 7.7×10−2...

calculate [OH−] and pH for each of the following solutions.

1. 6.0×102 M NaBrO

2. 7.7×102 M NaHS

In: Chemistry

Can you draw out the mechanisms of 1-butanol, 2-butanol, and 2-methyl-2-propanol with the HCl ZnCl2 reagent?...

Can you draw out the mechanisms of 1-butanol, 2-butanol, and 2-methyl-2-propanol with the HCl ZnCl2 reagent? I need full structures.

In: Chemistry

The data You have been given data from red maple and white oak trees from a...

The data

You have been given data from red maple and white oak trees from a national forest dominated by mixed hardwood stands.  The following variables for each tree are included

Variable

Description

treecode

Tree label

location

Eastern or western location in the forest

Species

Species codes (MR= red maple, OW=white oak)

Dbh

Diameter at breast height (1.3 m) in cm

Height

Height in m

treecode,location,species,dbh,height
1-W-7,eastern,MR,46.8,39.2
1-N-1,eastern,MR,47.1,37.4
1-E-4,eastern,MR,60.6,41.1
2-M-2,eastern,MR,50.1,26.9
3-E-4,eastern,MR,16.4,25.2
3-M-6,eastern,MR,29.4,27.3
3-S-4,eastern,MR,33.3,38
3-N-5,eastern,MR,37.4,22.5
3-N-6,eastern,MR,36.4,25
4-M-3,eastern,MR,7.2,3.9
4-M-2,eastern,MR,8,6.1
5-E-3,eastern,MR,19.6,14.5
7-N-5,eastern,MR,41.6,34.1
8-W-5,eastern,MR,31.7,31
8-S-7,eastern,MR,39.4,31.2
11-M-3,eastern,MR,16.3,24.3
11-M-5,eastern,MR,22.8,26.2
11-M-8,eastern,MR,23.4,30.8
11-M-4,eastern,MR,29.5,25.6
11-N-7,eastern,MR,37.5,27.6
11-S-6,eastern,MR,40.4,34.8
13-M-3,eastern,MR,31.8,27.7
13-M-2,eastern,MR,67.4,37.8
14-M-5,eastern,MR,31.1,28.7
14-M-4,eastern,MR,35.4,30.6
14-W-2,eastern,MR,34.3,33.3
14-E-3,eastern,MR,41.5,32.4
14-N-3,eastern,MR,39.1,36.8
14-M-3,eastern,MR,51,43.4
42-N-1,western,MR,57.6,35.9
43-M-4,western,MR,2.5,4.8
43-M-5,western,MR,3.4,4.8
43-M-7,western,MR,7,7
43-M-9,western,MR,10.5,9.7
44-M-3,western,MR,18.2,22.3
44-E-3,western,MR,25.6,25.3
45-M-1,western,MR,62.7,40
46-M-1,western,MR,25.6,28.3
46-M-2,western,MR,28.7,26.6
46-M-5,western,MR,43.9,26.8
46-N-9,western,MR,50.9,36.1
46-M-7,western,MR,56.3,35.2
47-N-1,western,MR,8.6,8.7
47-E-4,western,MR,22.6,19.3
48-M-2,western,MR,26,21.6
48-S-5,western,MR,30.7,23.5
49-M-7,western,MR,38.3,26.8
49-W-1,western,MR,45.4,29.6
50-M-5,western,MR,27,19
3-W-5,eastern,OW,6,6.5
3-W-3,eastern,OW,12.5,7.8
3-M-4,eastern,OW,19.1,25.2
3-M-3,eastern,OW,34.4,25.2
7-M-3,eastern,OW,31.7,24.2
7-S-1,eastern,OW,40.2,23
7-N-6,eastern,OW,45.5,25.2
7-N-7,eastern,OW,52.4,31.3
7-W-5,eastern,OW,54.3,28.3
8-M-2,eastern,OW,37.8,30.9
8-E-1,eastern,OW,65,36.4
8-M-4,eastern,OW,68.1,32.2
9-S-6,eastern,OW,59.8,46.9
11-M-2,eastern,OW,12.1,18.6
11-E-2,eastern,OW,17.7,12.4
48-M-7,western,OW,62.5,27.6
49-M-8,western,OW,3.7,4.4
49-N-4,western,OW,47.8,19.5
49-M-6,western,OW,53.4,29.6
49-M-4,western,OW,56,25.3
49-M-3,western,OW,67.4,27.4
50-N-2,western,OW,45.4,20.8
50-M-7,western,OW,48.1,23.9
50-M-4,western,OW,45.4,23.4
50-M-2,western,OW,48.7,22.7
52-N-6,western,OW,5.2,7
53-E-2,western,OW,44.3,30.6
53-N-2,western,OW,45.3,23.7
53-M-5,western,OW,76.9,28.6
54-M-6,western,OW,32.7,23.3
54-M-2,western,OW,40.2,24.1
54-S-6,western,OW,47.8,26.1
55-M-1,western,OW,49,27
55-M-2,western,OW,66.3,26.7
56-M-3,western,OW,29.3,18.8
57-M-3,western,OW,37.9,37.4
58-M-6,western,OW,41.9,22.4
59-M-2,western,OW,24.7,15.1
61-M-6,western,OW,57.3,30.6
62-M-10,western,OW,4.1,8.3
62-M-2,western,OW,9.1,2.7
  1. Read in the csv file into a dataframe called “trees” with either the Import utility in RStudio, or by using the function read.csv, e.g.:

trees = read.csv("C:/My Documents/ E-W MR-OW data.csv")

  1. Examine the variables using the str function:

What kind of data is contained in the “species” variable?  What kind of data is contained in the height variable

  1. Examine the first few lines of data using the head function:

head(trees)

In: Statistics and Probability

Many regions along the coast in North and South Carolina and Georgia have experienced rapid population...

Many regions along the coast in North and South Carolina and Georgia have experienced rapid population growth over the last 10 years. It is expected that the growth will continue over the next 10 years.

The director gathered the following sample information.

Family Food Income Size
1 $3.84 $73.98 1
2 4.08 54.90 2
3 5.76 53.20 4
4 3.48 52.02 1
5 4.20 65.70 2
6 4.80 53.64 4
7 4.32 79.74 3
8 5.04 68.58 4
9 6.12 165.60 5
10 3.24 64.80 1
11 4.80 138.42 3
12 3.24 125.82 1
13 7.20 77.58 7
14 6.40 94.15 5
15 6.60 135.76 8
16 5.40 141.30 3
17 6.00 36.90 5
18 5.40 56.88 4
19 3.36 71.82 1
20 4.68 69.48 3
21 4.32 54.36 2
22 5.52 87.66 5
23 4.56 38.16 3
24 5.40 43.74 7
25 5.90 62.40 6
(a-1)

Develop a correlation matrix. (Round your answers to 3 decimal places. Negative amounts should be indicated by a minus sign.)

Food Income
  Income      
  Size            
(b-1) Determine the regression equation. (Round your answers to 3 decimal places. Leave no cells blank - be certain to enter "0" wherever required.)
  The regression equation is: Food =  +  Income +  Size.
(b-2)

How much does an additional family member add to the amount spent on food? (Round your answer to the nearest dollar amount.)

  Another member of the family adds $  to the food bill.
(c-1) What is the value of R2? (Round your answer to 3 decimal places.)
(c-2)

State the decision rule for 0.05 significance level. H0: β1 = β2 = 0; H1: Not all βi's are 0. (Round your answer to 2 decimal places.)

  Source DF SS MS F p
  Regression                         
  Error               
  Total          
(c-3) Complete the ANOVA (Leave no cells blank - be certain to enter "0" wherever required. Round SS, MS to 3 decimal places and F to 2 decimal places.)
(d-1)

Complete the given below table. (Leave no cells blank - be certain to enter "0" wherever required. Do not round the intermediate calculations. Round T to 2 decimal places and all other values to 3 decimal places.)

  Predictor Coef SE Coef T P
  Income                            
  Size                            

In: Math