Question

1) Given the data set below 25 52 67 23 78 89 57 90 32 77...

1) Given the data set below
25 52 67 23 78 89 57 90 32 77
45 48 62 54 94 69 46 79 40 33
21 57 84 54 23 34 68 63 61 76
87 78 39 50 70 60 32 65 73 45
28 82 66 79 71 80 46 66 24 90

a) Construct a Frequency Distribution with 8 classes and a class width of 10
b) Construct a Relative Frequency distribution from the frequency distribution
c) Construct a cumulative frequency from the frequency distribution

Homework Answers

Answer #1

Relative frequency for any class is

= (frequency of that class)/50

CF is the cumulative frequency.

Cumulative frequency for any class is the sum of the frequency of that class and all the frequency of the previous classes .

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
4) Given the data set below 25 52 67 23 78 89 57  90 32 77 45...
4) Given the data set below 25 52 67 23 78 89 57  90 32 77 45 48  62 54 94 69 46 79 40 33 21 57  84 54 23 34 68  63 61 76 87 78  39 50 70 60 32 65 73 45 28 82  66 79 71 80 46 66 24 90 For the dada of Problem 1, find the approximate mean using the Frequency Distribution from problem 1 5) Find the Median of the data set from problem 1 using an...
Student Grades Student Test Grade 1 76 62 2 84 90 3 79 68 4 88...
Student Grades Student Test Grade 1 76 62 2 84 90 3 79 68 4 88 84 5 76 58 6 66 79 7 75 73 8 94 93 9 66 65 10 92 86 11 80 53 12 87 83 13 86 49 14 63 72 15 92 87 16 75 89 17 69 81 18 92 94 19 79 78 20 60 71 21 68 84 22 71 74 23 61 74 24 68 54 25 76 97...
Use ? to approximate σ. Use a 5% level of significance. Data: 69 62 75 66...
Use ? to approximate σ. Use a 5% level of significance. Data: 69 62 75 66 68 57 61 84 61 77 62 71 68 69 79 76 87 78 73 89 81 73 64 65 73 69 57 79 78 80 79 81 73 74 84 83 82 85 86 77 72 79 59 64 65 82 64 70 83 89 69 73 84 76 79 81 80 74 77 66 68 77 79 78 77
Refer to the accompanying data set and construct a 95​% confidence interval estimate of the mean...
Refer to the accompanying data set and construct a 95​% confidence interval estimate of the mean pulse rate of adult​ females; then do the same for adult males. Compare the results. Males    Females 81           82 72           94 52           57 59           66 51           54 62           80 52           77 74           85 51           89 62           57 73           35 61           64 62           87 80           74 80           79 63           62 63           67 97           76 43           60 85           65 72           86 66           85 73           69 72          ...
Question 1: Table 1 shows the number of customers visited by a salesman over an 80-week...
Question 1: Table 1 shows the number of customers visited by a salesman over an 80-week period. Table 1: Customers Visited Over an 80-Week Period 68 64 75 82 68 60 62 88 76 93 73 79 88 73 60 93 71 59 85 75 61 65 75 87 74 62 95 78 63 72 66 78 82 75 94 77 69 74 68 60 96 78 89 61 75 95 60 79 83 71 79 62 67 97 78...
Mid Score Final Score 80 78 87 85 72 81 69 54 86 70 83 73...
Mid Score Final Score 80 78 87 85 72 81 69 54 86 70 83 73 78 89 75 84 74 86 75 79 84 75 73 63 74 72 73 69 80 86 75 78 72 75 77 68 76 77 66 78 74 77 71 73 85 79 74 74 76 79 76 73 84 72 77 81 78 86 86 76 81 83 78 83 85 86 73 71 83 83 83 79 72 68 83 90...
Test score of 40 students are listed below. Find the percentile for the test score of...
Test score of 40 students are listed below. Find the percentile for the test score of 66. 30 35 43 44 47 48 54 55 56 57 59 62 63 65 66 68 69 69 71 72 72 73 74 76 77 77 78 79 80 81 81 82 83 85 89 92 93 94 97 98
Create the appropriate frequency distribution graph by hand. Below are the speeds of cars clocked by...
Create the appropriate frequency distribution graph by hand. Below are the speeds of cars clocked by radar on a 35-mph zone of a road on a particular afternoon. 99, 96, 94, 91, 90, 90, 89, 87, 85, 84, 82, 80, 79, 78, 77, 76, 34, 75, 75, 74, 74, 72, 70, 69, 68, 68, 68, 66, 66, 65, 63, 63, 60, 59, 58, 58, 54, 50, 48, 46, 42, 38, 33, 12
Given the following data set of test #1 scores. 78 80 68 56 76 78 74...
Given the following data set of test #1 scores. 78 80 68 56 76 78 74 90 96 60 98 66 100 76 64 82 62 72 78 74 90 90 68 72 82 72 78 54 62 72 72 78 65 51 34 82 a. Construct a stem and leaf plot. b. Construct a frequency distribution with that has class width of 12, and the lower class limit of the first class is 34. c. Construct a frequency polygon...
TestScore 53 53 56 56 56 58 58 58 59 59 59 60 60 62 63...
TestScore 53 53 56 56 56 58 58 58 59 59 59 60 60 62 63 63 63 64 65 65 66 67 67 67 67 68 69 69 69 69 71 71 72 72 72 72 73 73 73 73 73 74 75 75 75 76 76 76 76 77 77 77 77 77 78 78 78 79 79 79 79 80 80 80 80 80 80 81 81 81 82 82 83 83 83 83 84 84 84...