The numbers of hours worked (per week) by 400 statistics students are shown below.  Number of hoursFrequency   0 -   9  20 10 - 19  80 20 - 29200 30 - 39100

The following data show the number of hours worked by 200 statistics students.Number of Hours Frequency0 - 9                4010 - 19            5020 – 29            7030 - 39           40The class width for this distribution is ______Select one:a.9b.10c.40d.0

Below is the table showing the number of working hours (per week) of 400 students:Number of Hours Frequency  0 -   9  2010 - 19  8020 - 2920030 - 39100What is the relative frequency of students working for 9 hours or less?Group of answer choices0.050.952080

Below is the table showing the number of working hours (per week) of 400 students:Number of Hours Frequency  0 -   9  2010 - 19  8020 - 2920030 - 39100What is the class width for this distribution?Group of answer choices10939varies from class to class

The following give the number of hours spent doing homework and attending classes by 10 randomly selected college students during the past one week.86172429-25321921Calculate median, mode, first quartile, third quartile and variance for these data

Q 16 ) Mention the excel formulas used to find frequency distribution of the weekly_self_study_hours Of first 100 students. a) b) c) d) —Court(Al :AI 00) —Courtifl Al 00) -Sumif (AI•AIOO) None of these.