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Task 2 (25 mins) 1- If marks of 20 students in one class out of 100 were as the following (Screen shot of tables, figures, and Excel file are required): 67 45 62 74 51 70 95 54 39 43 47 73 20 35 57 85 54 29 49 a. Find the mean, median and standard deviation of these marks. b. Construct the frequency table using interval width of 10 marks. c. Create a histogram chart (Present data in a method that can be understood by a non- technical audience). d. Find the probability of each age interval and represent that using histogram (Present data in a method that can be understood by non- technical audience). e. From the graph in part d, find the probability that student get a grade of 70 or less and show how you find that on the figure.

Task 2 (25 mins) 1- If marks of 20 students in one class out of 100 were as the following (Screen shot of tables, figures, and Excel file are required): 67 45 62 74 51 70 95 54 39 43 47 73 20 35 57 85 54 29 49 a. Find the mean, median and standard deviation of these marks. b. Construct the frequency table using interval width of 10 marks. c. Create a histogram chart (Present data in a method that can be understood by a non- technical audience). d. Find the probability of each age interval and represent that using histogram (Present data in a method that can be understood by non- technical audience). e. From the graph in part d, find the probability that student get a grade of 70 or less and show how you find that on the figure.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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Task 2 (25 mins) 1- If marks of 20 students in one class out of 100 were as the following (Screen shot of tables, figures, and Excel file are required): 67 45 62 74 51 70 95 54 39 43 47 73 20 35 57 85 54 29 49 a. Find the mean, median and standard deviation of these marks. b. Construct the frequency table using interval width of 10 marks. C. Create a histogram chart (Present data in a method that can be understood by a non- technical audience). d. Find the probability of each age interval and represent that using histogram (Present data in a method that can be understood by a non- technical audience). e. From the graph in part d, find the probability that student get a grade of 70 or less and show how you find that on the figure.
Transcribed Image Text:Task 2 (25 mins) 1- If marks of 20 students in one class out of 100 were as the following (Screen shot of tables, figures, and Excel file are required): 67 45 62 74 51 70 95 54 39 43 47 73 20 35 57 85 54 29 49 a. Find the mean, median and standard deviation of these marks. b. Construct the frequency table using interval width of 10 marks. C. Create a histogram chart (Present data in a method that can be understood by a non- technical audience). d. Find the probability of each age interval and represent that using histogram (Present data in a method that can be understood by a non- technical audience). e. From the graph in part d, find the probability that student get a grade of 70 or less and show how you find that on the figure.
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