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 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 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
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 |
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 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 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? I need full structures.
In: Chemistry
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
trees = read.csv("C:/My Documents/ E-W MR-OW data.csv")
What kind of data is contained in the “species” variable? What kind of data is contained in the height variable
head(trees)
In: Statistics and Probability
|
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.
|
| 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