Use the frequency distributions and histograms for weekly usage and waiting time in the car sharing data provided along with the formulas shown, where fi is the frequency of observation i, to find the sample mean, on the left, and sample variance, on the right. Check your results using Excel functions with the original data. Gender Service Used Booking Time Weekly Usage Waiting Time Female Uber Morning 1 10 Female Uber Morning 7 10 Male Lyft Evening 1 5 Female Uber Afternoon 1 5 Male Uber Morning 2 10 Female Uber Morning 3 10 Female Lyft Morning 2 20 Male Lyft Afternoon 2 5 Male Uber Evening 2 10 Female Uber Evening 2 10 Male Uber Morning 2 10 Male Uber Morning 2 15 Male Lyft Night 2 10 Male Uber Morning 2 10 Male Uber Morning 5 10 Male Uber Evening 2 15 Male Lyft Morning 2 10 Male Uber Morning 3 5 Male Uber Night 0 5 Male Uber Morning 1 10

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

Use the frequency distributions and histograms for weekly usage and waiting time in the car sharing data provided along with the formulas shown, where fi is the frequency of observation i, to find the sample mean, on the left, and sample variance, on the right. Check your results using Excel functions with the original data.

Gender Service Used Booking Time Weekly Usage Waiting Time
Female Uber Morning 1 10
Female Uber Morning 7 10
Male Lyft Evening 1 5
Female Uber Afternoon 1 5
Male Uber Morning 2 10
Female Uber Morning 3 10
Female Lyft Morning 2 20
Male Lyft Afternoon 2 5
Male Uber Evening 2 10
Female Uber Evening 2 10
Male Uber Morning 2 10
Male Uber Morning 2 15
Male Lyft Night 2 10
Male Uber Morning 2 10
Male Uber Morning 5 10
Male Uber Evening 2 15
Male Lyft Morning 2 10
Male Uber Morning 3 5
Male Uber Night 0 5
Male Uber Morning 1 10