0.004G19:4573KB/sActivity # 3: Descriptive StatisticsConstruct frequency distributiontable based on the scores of 75randomly selected students.| 37 46 37 26 30 41 28 49 29 34 46 50 38 35 4235 46 45 27 41 26 45 39 43 46 36 32 46 36 4849 47 30 43 31 34 38 41 39 45 28 43 37 39 2638 30 29 38 26 31 42 44 48 43 37 46 38 27 5042 33 42 42 43 39 39 31 46 46 48 48 50 45 31ScoresFrequency Percentage (%)26 to 3031 to 3536 to 4041 to 4546 to 50TotalYour answer26-302 pointsFrequency:13, Percentage: 16.77%O Frequency:13, Percentage:17.33%31-352 pointsO Frequency:10, Percentage:13.33%O Frequency:10, Percentage:14.37% 4G73ll 19:45 16.1KB/sActivity # 3: Descriptive Statistics5. The length of life of an2 pointsinstrument produced by amachine has a normaldistribution with a mean of 12months and populationstandard deviation of 2months. Find the probabilitythat an instrument producedby this machine will last:Your answerA. Less than 7 months3 points0.006210.99379B. Between 7 and 12 months4 pointsO 0.59O 0.49379

A frequency distribution of a data variable is a summary of occurrence in a collection of non-…

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Math

Statistics

Construct frequency distribution table based on the scores of 75 randomly selected students.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

0.00
4G
19:45
73
KB/s
Activity # 3: Descriptive Statistics
Construct frequency distribution
table based on the scores of 75
randomly selected students.
| 37 46 37 26 30 41 28 49 29 34 46 50 38 35 42
35 46 45 27 41 26 45 39 43 46 36 32 46 36 48
49 47 30 43 31 34 38 41 39 45 28 43 37 39 26
38 30 29 38 26 31 42 44 48 43 37 46 38 27 50
42 33 42 42 43 39 39 31 46 46 48 48 50 45 31
Scores
Frequency Percentage (%)
26 to 30
31 to 35
36 to 40
41 to 45
46 to 50
Total
Your answer
26-30
2 points
Frequency:13, Percentage: 16.77%
O Frequency:13, Percentage:17.33%
31-35
2 points
O Frequency:10, Percentage:13.33%
O Frequency:10, Percentage:14.37%

4G
73
ll 19:45 16.1
KB/s
Activity # 3: Descriptive Statistics
5. The length of life of an
2 points
instrument produced by a
machine has a normal
distribution with a mean of 12
months and population
standard deviation of 2
months. Find the probability
that an instrument produced
by this machine will last:
Your answer
A. Less than 7 months
3 points
0.00621
0.99379
B. Between 7 and 12 months
4 points
O 0.5
9O 0.49379

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