Question
In: Statistics and Probability
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 a randomly selected student from the class scored higher than 20.
7. Are the MT scores normally distributed? Why or why not?
8. Assuming a normal fit, compute the percentile of your score.
9. Compute your actual percentile from the raw data.
10. Do your computations for #8 and 9 support your answer to #7? Why or why not?
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...
Buffalo Boston 26 23 27 14 39 11 23 19 17 19 16 4 21 9...
Buffalo
Boston
26
23
27
14
39
11
23
19
17
19
16
4
21
9
31
12
1
12
23
7
32
32
32
26
24
21
42
16
38
16
29
18
16
16
12
20
29
20
16
11
18
10
27
18
2
11
21
17
35
20
21
20
29
25
24
16
17
17
21
8
38
21
9
24
31
26
16
27
24
18
24
17
13
15
21
21
21
32...
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 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.
Resident Commuter 22 25 27 23 26 28 26 24 18 20 19 18 22 25...
Resident
Commuter
22
25
27
23
26
28
26
24
18
20
19
18
22
25
24
35
25
20
26
24
27
26
18
19
23
18
23
22
28
25
20
24
18
30
26
18
18
19
32
23
26
30
22
22
22
21
18
20
19
19
18
29
19
22
18
22
19
26
35
19
19
18
19
32
26
19
19
21
23
18
20
18
29
23
21
19
36
27...
Low Medium High 14 18 16 6 17 20 11 23 18 12 17 16 11...
Low
Medium
High
14
18
16
6
17
20
11
23
18
12
17
16
11
10
15
9
20
16
6
15
16
12
17
17
14
25
11
11
11
13
4
18
22
9
18
16
7
20
10
12
21
18
12
27
9
17
13
19
11
22
16
8
17
12
Our worksheets lists the number of 3+ syllable words in each
magazine grouped by education level. Use your spreadsheet program
to conduct a...
Manufacturer A B C D 25 23 25 27 23 21 25 26 21 ...
Manufacturer
A B C D
25 23 25 27
23 21 25 26
21 23 25 27
23 24 21 26
To test whether the mean time needed to mix a batch of material is
the same for machines produced by 4 manufacturers, the Jacobs
Chemical Company obtained the following data on the time (in
minutes) needed to mix the material.
What is the p value?
Does the data provide strong evidence evidence against Ho or
weak evidence?...
1- 25 28 24 21 28 26 23 22 29 21 29 24 22 25 26...
1-
25
28
24
21
28
26
23
22
29
21
29
24
22
25
26
18
27
26
29
23
21
26
27
21
25
27
24
29
22
25
24
24
21
29
22
25
21
22
22
25
22
25
Calculate a) arithmetic mean and b) standard deviation of the
sample.
A)
b)
- Represent a classified frequency table. Answer the following
questions in this table with column calculations.
Calculate a) arithmetic mean, b) quadratic mean, c)...
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
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