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Frequency 25 28 20 27 15 10 14 1 10 12 Siblings a) What type of graph is this? b) How would you best describe the distribution of the data: skewed right, skewed left, or normal? c) Approximately how many students have between 2 to 4 siblings? d) What percent of students had less than 2 siblings or more than 8 siblings. e) What percent of students had between 6 to 8 siblings? Round to 1 decimal place. f) Suppose the mean number of siblings was about 6.5. Do you expect the median to be above or below 6.5? Explain. g) Which do you think is a better estimator in terms of measure center: mean or median? h) In terms of the measure of variation, what would be a better estimator: range, standard deviation, or interquartile range. 2. 5.

Frequency 25 28 20 27 15 10 14 1 10 12 Siblings a) What type of graph is this? b) How would you best describe the distribution of the data: skewed right, skewed left, or normal? c) Approximately how many students have between 2 to 4 siblings? d) What percent of students had less than 2 siblings or more than 8 siblings. e) What percent of students had between 6 to 8 siblings? Round to 1 decimal place. f) Suppose the mean number of siblings was about 6.5. Do you expect the median to be above or below 6.5? Explain. g) Which do you think is a better estimator in terms of measure center: mean or median? h) In terms of the measure of variation, what would be a better estimator: range, standard deviation, or interquartile range. 2. 5.

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
Section10.4: Distributions Of Data
Problem 20PFA
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Frequency 25 28 20 27 15 10 14 1 10 12 Siblings a) What type of graph is this? b) How would you best describe the distribution of the data: skewed right, skewed left, or normal? c) Approximately how many students have between 2 to 4 siblings? d) What percent of students had less than 2 siblings or more than 8 siblings. e) What percent of students had between 6 to 8 siblings? Round to 1 decimal place. f) Suppose the mean number of siblings was about 6.5. Do you expect the median to be above or below 6.5? Explain. g) Which do you think is a better estimator in terms of measure center: mean or median? h) In terms of the measure of variation, what would be a better estimator: range, standard deviation, or interquartile range. 2.
Transcribed Image Text:Frequency 25 28 20 27 15 10 14 1 10 12 Siblings a) What type of graph is this? b) How would you best describe the distribution of the data: skewed right, skewed left, or normal? c) Approximately how many students have between 2 to 4 siblings? d) What percent of students had less than 2 siblings or more than 8 siblings. e) What percent of students had between 6 to 8 siblings? Round to 1 decimal place. f) Suppose the mean number of siblings was about 6.5. Do you expect the median to be above or below 6.5? Explain. g) Which do you think is a better estimator in terms of measure center: mean or median? h) In terms of the measure of variation, what would be a better estimator: range, standard deviation, or interquartile range. 2.
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