The following table gives the distribution of the ages of a sample of 50 managers. Age range Frequency fifi 20≤age<25 7 25≤age<30 15 30≤age<50 23 50≤age<60 5 Sketch a histogram for this data, and calculate the mean x¯ and sample standard deviation s. Enter your answers in square brackets, separated by commas, and round to 2 decimal places when necessary. Calculate the median x~, and interquartile range IQR. Enter your answers in square brackets, separated by commas and round to 2 decimal places What proportion of managers (as a percentage, rounded to 2 decimal places) are over 40 years of age?

The following table gives the distribution of the ages of a sample of 50 managers. Age range Frequency fifi 20≤age<25 7 25≤age<30 15 30≤age<50 23 50≤age<60 5 Sketch a histogram for this data, and calculate the mean x¯ and sample standard deviation s. Enter your answers in square brackets, separated by commas, and round to 2 decimal places when necessary. Calculate the median x~, and interquartile range IQR. Enter your answers in square brackets, separated by commas and round to 2 decimal places What proportion of managers (as a percentage, rounded to 2 decimal places) are over 40 years of age?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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Question

The following table gives the distribution of the ages of a sample of 50 managers.

Age range	Frequency fifi
20≤age<25	7
25≤age<30	15
30≤age<50	23
50≤age<60	5

Sketch a histogram for this data, and calculate the mean x¯ and sample standard deviation s. Enter your answers in square brackets, separated by commas, and round to 2 decimal places when necessary.

Calculate the median x~, and interquartile range IQR. Enter your answers in square brackets, separated by commas and round to 2 decimal places

What proportion of managers (as a percentage, rounded to 2 decimal places) are over 40 years of age?

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