Question

In: Statistics and Probability

57, 69, 70, 71, 74, 77, 79, 80, 80, 80, 80, 81, 81, 82, 85, 85,...

57, 69, 70, 71, 74, 77, 79, 80, 80, 80, 80, 81, 81, 82, 85, 85, 86, 88, 91, 95, 95, 100

1) Create a relative frequency table for these data.

2) Create a histogram for these data and comment on the shape of the

distribution (skewed, symmetric, etc).

3) Create a boxplot for the data (you’ll need to report the median, quartiles,

and outliers).

Solutions

Expert Solution


Related Solutions

Math Reading 52 65 63 71 55 61 68 77 66 76 57 70 59 69...
Math Reading 52 65 63 71 55 61 68 77 66 76 57 70 59 69 76 77 69 76 59 70 74 78 73 80 62 66 59 66 72 76 61 67 55 61 73 77 Can you teach me how to solve the problem below An educator conducted an experiment to test whether new directed reading activities in the classroom will help elementary school pupils improve some aspects of their reading ability. She arranged for a third...
Grade 50 70 47 75 82 79 79 88 81 45 90 81 Time Spent (Hrs)...
Grade 50 70 47 75 82 79 79 88 81 45 90 81 Time Spent (Hrs) 166 76 30 100 100 62 9 17 13 29 1 29 a. Create a scatterplot b. what is the correlation, slope and y-intercept? c. Using your regression equation make a prediction of the grade earned if a student spent three hours completing the exercise d. how confident are you in this prediction?
82, 72, 83, 75, 80, 78, 82, 73, 60, 79, 80, 78, 83, 81 what is...
82, 72, 83, 75, 80, 78, 82, 73, 60, 79, 80, 78, 83, 81 what is the Q1, median, Q3 and the IQR with any outliers
x = { 57, 77, 74, 97, 82, 98, 41, 89, 50, 35, 28, 92, 51,...
x = { 57, 77, 74, 97, 82, 98, 41, 89, 50, 35, 28, 92, 51, 81, 89, 89, 96, 17, 93, 42, 25, 23, 67, 19} A) Determine the values of the mean, median, sample standard deviation, range, and interquartile range for the given data set. Identify the general feature of the data set measured by each of these measurements. B) Construct a box plot for the given data set. Label your axes sufficiently to indicate location and scale.
Sample 80 80 80 81 81 64 65 65 66 67 67 67 71 71 72...
Sample 80 80 80 81 81 64 65 65 66 67 67 67 71 71 72 72 72 72 73 73 73 90 91 93 96 Today, the professor claims the mean student performance on his midterm has significantly improved from last year. Last year, the mean midterm score for all of his students was 70. The professor uses a random sample of 25 student’s midterm scores (column 2). Use a hypothesis test (t-test) to test the professors claim using...
G R 57 62 46 58 85 81 80 88 95 84 31 54 56 44...
G R 57 62 46 58 85 81 80 88 95 84 31 54 56 44 40 65 52 37 26 51 93 76 54 43 67 64 42 59 29 51 81 70 35 49 59 61 44 57 84 97 34 55 49 44 73 86 74 89 44 52 41 49 72 61 60 48 48 69 92 87 64 77 52 47 58 66 84 80 60 50 49 38 96 74 20 49 42 19...
Construct a frequency polygon for the following: 60-69   12 70-79   15 80-89    10 90-99      2 100-109...
Construct a frequency polygon for the following: 60-69   12 70-79   15 80-89    10 90-99      2 100-109 1 110-119   0 120-129   1
   Ovservation   Portland   Houston   Jacksonville      1 85 71 64      2 75 75 69     ...
   Ovservation   Portland   Houston   Jacksonville      1 85 71 64      2 75 75 69      3 82 73 67      4 76 74 74      5 71 69 80   6 85 82 72 National Bearings manufactures bearings at plants located in Portland Oregon, Houston Texas, and Jacksonville Florida. To measure employee knowledge of Total Quality Management (TQM), six employees were randomly selected at each plant and tested. The test scores for these employees are given in DATA. Managers want...
The test scores of 10 students are listed below. 32, 69, 77, 82, 100, 68, 88,...
The test scores of 10 students are listed below. 32, 69, 77, 82, 100, 68, 88, 95, 75, 80 a. Determine the five-number summary and draw a boxplot for the given data above. Minimum ________ Q1 ________ Median ________ Q3 ________ Maximum b. Is there any outlier? Justify your answer. c. Which of the measures of center would be best to represent the data? Justify your answer
1. The test scores of 10 students are listed below. 32, 69, 77, 82, 100, 68,...
1. The test scores of 10 students are listed below. 32, 69, 77, 82, 100, 68, 88, 95, 75, 80 a. Determine the five-number summary and draw a boxplot for the given data above. Minimum ________    Q1 ________    Median ________    Q3 ________ Maximum ________ b. Which number(s) is suspected outliers? Justify your answer.    c. Is it possible to have a mean of 96 if the scores ranged from 65 to 95? Justify your answer.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT