Question
In: Statistics and Probability
What does the z-score (-0.0566) of the data set (12, 14, 17, 19, 20, 21, 24,...
What does the z-score (-0.0566) of the data set (12, 14, 17, 19, 20, 21, 24, 25, 26, 30) median (20.5) just above tell you about the shape of the distribution? How do you know this?
Solutions
orchestra answered 1 year agoRelated Solutions
MT scores: 11, 11, 16, 17, 19, 20, 21, 21 23 24 24 26 26 27...
MT scores: 11, 11, 16, 17, 19, 20, 21, 21 23 24 24 26 26 27 27
28 28 28 29 30 31 31 32 33 35 37 38 38 39 42 44
Questions for Class MT Score Distribution Analysis
1. Create a boxplot of MT scores.
2. Compute the probability that a randomly selected student from
the class scored higher than 20.
3. Are the MT scores normally distributed? Why or why not?
4. Assuming a normal fit, compute...
MT scores: 11, 11, 16, 17, 19, 20, 21, 21 23 24 24 26 26 27...
MT scores: 11, 11, 16, 17, 19, 20, 21, 21 23 24 24 26 26 27 27
28 28 28 29 30 31 31 32 33 35 37 38 38 39 42 44
Questions for Class MT Score Distribution Analysis
1. Create a histogram of MT scores.
2. Describe the shape of the MT scores distribution.
3. Compute the mean and standard deviation.
4. Compute the 5-number summary.
5. Create a boxplot of MT scores.
6. Compute the probability that...
Consider the data set: 26, 29, 24, 17, 27, 20, 23, 21, 26, 27. (a) Find...
Consider the data set: 26, 29, 24, 17, 27, 20, 23, 21, 26,
27.
(a) Find the median and the upper and lower quartiles for this
data set.
(b) Setup then evaluate the numerical expression for the mean of
this data set. You must write it out completely. (
c) Setup and then evaluate the numerical expression for the
variance of this data set. You must write it out completely.
(d) Find the standard deviation of this data set.
For the following data set, 5, 9, 12, 15, 19, 21, 22, 22, 24, 26, 27,...
For the following data set, 5, 9, 12, 15, 19, 21, 22, 22, 24,
26, 27, 27, 31, 33, 33, 34, 37, 38, 60, 70 a) Find the quartiles Q1
Q2 Q3 b) Find the five number summary c) Find the interquartile
range (IQR) IQR = d) Find the lower limit LL = e) Find the upper
limit UL = f) Identify the potential outliers (Separate each
outlier with a comma. Write NPO if there is no potential outlier)
The...
17, 18, 18, 18, 19, 20, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22,...
17, 18, 18, 18, 19, 20, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22,
22, 22, 22, 23,23,
24,24,24,24,24,24,24,24,25,26,26,26,26,26,26,27,27,27,27,27,28,28,29,31,31,32,32,34,35,38
use the data to do the following: 1. sample mean 2. median 3. mode
4. standard deviation
Satisified Freshmen Sophomore Junior Senior Yes 21 19 10 20 No 14 9 17 11 Directions:...
Satisified
Freshmen
Sophomore
Junior
Senior
Yes
21
19
10
20
No
14
9
17
11
Directions: Use the crosstabe option in the Descriptives
menu to answer the questions based on the following scenario. ( Be
sure to select Chi-square from the sStatistics submenu and
Observed, Expected, Row, and Column in the Cell submenu. Assume a
level of significance of .05)
The school district recently adopted the use of
e-textbooks, and superintendent is interested in determining the
level of satisfaction with...
42, 31, 48, 12, 21, 17, 27, 22, 35, 19, 17 Let's include one more data...
42, 31, 48, 12, 21, 17, 27, 22, 35, 19, 17
Let's include one more data point in the data set. Suppose this
new data value lies between the values 12 and 48, inclusively.
Find the smallest possible value of the median of the new data
set
Find the largest possible value of the median of the new data
set
For the stress data given below with the nearest error of 1: 27-17-11-24-36-13-29-22-18 23-30-12-46-17-32-48-11-18 18-32-26-24-38-24-15-13-13 18-21-27-20-16-15-37-19-19...
For the stress data given below with the nearest error of 1:
27-17-11-24-36-13-29-22-18
23-30-12-46-17-32-48-11-18
18-32-26-24-38-24-15-13-13
18-21-27-20-16-15-37-19-19
a) Construct a frequency distribution table.
b) Construct the three types of statistical graphs.
c) Determine the (1) Mean, (2) Median, (3) Mode, (4) Range,
Variance, and (6) Standard Deviation.
Find the 5 number summary for the data shown 12 15 20 21 23 24 46...
Find the 5 number summary for the data shown
12
15
20
21
23
24
46
47
55
65
67
68
78
82
86
92
5 number summary:
{ , , , , }
IQR= ?
The 1.5XIQR1.5XIQR rule states that values between ?
and ? are likely not outliers.
Table - 02 Hardwood Concentration 5% 10% 15% 20% 7 12 14 19 8 17 18...
Table - 02
Hardwood Concentration
5%
10%
15%
20%
7
12
14
19
8
17
18
25
15
13
19
22
11
18
17
23
9
19
16
18
10
15
18
20
A manufacturer of paper used for making grocery bags is
interested in improving the tensile strength of the product.
Product engineering thinks that tensile strength is a function of
the hardwood concentration in the pulp and that the range of
hardwood concentrations of practical interest is between...
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