Answered: 4. Chesca was successful and made… | bartleby

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

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 25PPS

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4. Chesca was successful and made significant progress with her weight loss journey.
She shared her experience with a group of health enthusiasts, many people got
interested and readily tried the new diet plan. After a month, she collected and listed
their weights and made a rough sketch of their histogram. However, she lost her
notes. All she remembers are the weights of the lightest (60. 5 kg) and the heaviest
(87. 4 kg) participant, and how the histogram looks (Figure 4)
30
25
20
15
10
weight dases
Fig. 4. Frequency distribution of weights observed among participants.
a. What is the class interval ( 1 decimal place)? Show all necessary computations.
b. Reconstruct the classes needed for your histogram (1 decimal place)
c. Based on the data from reconstructed classes and from looking at the
histogram, can you say that the data is normally distributed? Explain your
answer
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