HW #3: Categorical Graphs and Summaries
The amount of hours worked (per week) by 400 statistics students are shown below. Number of hours Frequency Low - 20 Medium - 80 High - 200 Very High - 100 The relative frequency of students working at most medium hours is
0.25
The amount of hours worked (per week) by 400 statistics students are shown below. Number of hours Frequency Low - 20 Medium - 80 High - 200 Very High - 100 The number of students working high hours or more is
300
There are 800 students in the School of Business Administration. There are four majors: Accounting, Finance, Management, and Marketing. The following displays the number of students in each major. The percent of students majoring in Accounting or Management is -
60%
There are 800 students in the School of Business Administration. There are four majors: Accounting, Finance, Management, and Marketing. The following displays the number of students in each major. The height of the missing rectangle over marketing is -
80
The amount of hours worked (per week) by 400 statistics students are shown below. Number of hours Frequency Low - 20 Medium - 80 High - 200 Very High - 100 The percentage of students working at least medium hours is
95%
A sample of 50 TV viewers was asked, "Should TV sponsors pull their sponsorship from programs that draw numerous viewer complaints?". Below are the results of the survey. (Y = Yes; N = No; W = W/out Opinion) N W N N Y N N N Y N N Y N N N N N Y N N Y N Y W N Y W W N Y W W N W Y W N W Y W N Y N Y N W Y Y N Y Consider the following table summarizing the above data: No Frequency: ? Relative Frequency: ?? Yes Frequency: 15 Relative Frequency: 0.30 Without Frequency: ??? Opinion Relative Frequency: ???? Total Frequency: ????? Relative Frequency: 1.000
The value that belongs in place of the "?" is 24 The value that belongs in place of the "??" is 0.48 The value that belongs in place of the "???" is 11 The value that belongs in place of the "????" is 0.22 The value that belongs in place of the "?????" is 50
