Consider the following frequency table representing the distribution of hours students study for an exam in a week.Hours Students Study for an Exam in a WeekClass Frequency8–158–158816–2316–234424–3124–31141432–3932–394440–4740–471010Copy DataStep 1 of 2 :  Determine the relative frequency for the third class as a simplified fraction.

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 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

What is the frequency of the class 11-20 in the below given data?

The relative humidities, expressed in percentages, of a city over a certain month are listed as follows:74, 92, 78, 70, 84, 75, 91, 78, 96, 87, 95, 79, 82, 89, 72, 92, 70, 75, 82, 83, 87, 90, 93, 85, 80, 78, 74, 76, 79, 82.If the width of the class interval is taken as 5, then which of the following frequency tables represents the given data?aRelative Humidity (Percentage) Number of Days70–74 675–79 880–84 485–89 490–94 595–100 3 bRelative Humidity (Percentage) Number of Days70–74 675–79 880–84 685–89 490–94 595–100 2cRelative Humidity (Percentage) Number of Days70–74 675–79 880–84 485–89 490–94 695–100 3 dRelative Humidity (Percentage) Number of Days70–74 675–79 880–84 485–89 590–94 595–100 2