Question

The test scores of 40 students are listed below.                           30 35 43 44 47   48   54...

The test scores of 40 students are listed below.

                          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

             a)     Find the lower and upper quartiles for the data.

             b)     Find the interquartile range.

             c)     Draw the box-and-whisker diagram for the data.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Solution-

a)     Find the lower and upper quartiles for the data.

b)     Find the interquartile range.

IQR = Q3 - Q1 = 81 - 57.5 = 23.5

c)     Draw the box-and-whisker diagram for the data.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
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
Consider the below vector x, which you can copy and paste directly into Matlab. The vector...
Consider the below vector x, which you can copy and paste directly into Matlab. The vector contains the final grades for each student in a large linear algebra course. x = [61 52 63 58 66 92 64 55 76 60 70 78 76 73 45 63 97 70 100 76 50 64 42 100 67 81 81 59 68 62 72 99 66 76 81 59 47 84 67 75 63 86 73 44 51 69 48 74 61...
have a java application need to create an application which is able to do some analysis...
have a java application need to create an application which is able to do some analysis on temperature data stored in a data file. You will be given the “temperatures.dat” data file which contains the data you must analyze. The analysis you’ll need to do is: Total number of data points Find coldest temperature Find warmest temperature Find average temperature Find the frequency of each temperature Find the most frequent temperature Find the least frequent temperature All classes must be...
Below represent scores on an exam, each entry one score for one student 40 99 59...
Below represent scores on an exam, each entry one score for one student 40 99 59 98 63 63 64 65 67 35 67 67 68 70 71 71 71 46 72 72 60 73 74 74 74 75 97 75 62 76 76 76 76 76 77 57 77 98 77 63 78 78 78 79 79 80 80 80 80 80 81 81 92 81 93 82 82 83 83 83 83 83 83 83 84 84 84...
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          ...
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...
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
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...
The following scores on the midterm exam in a math class were recorded. Find IQR. 93...
The following scores on the midterm exam in a math class were recorded. Find IQR. 93 81 59 69 82 73 61 77 95 84 88 71 85 97 63 72 89 80 60 98 91 62 78 83 76 81 94 66 83 96
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...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT