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The following frequency histogram represents the IQ scores of a random sample of seventh-grade students. IQs are measured to the nearest whole number. The frequency of each class is labeled above each rectangle. Use the histogram to answers parts (a) through (g). IOs of 7h Grade Students 60 70 80 s0 tổ0 tio tào 1à0 140 150 160 scores OB. 100-109 Oc. 95 O D. 90-99 (e) Which class has the lowest frequency? OA 155 O B. 150-159 Oc. 150-160 OD. 60-69 (f) What percent of students had an IQ of at least 130? % (Type an integer or a decimal. Do not round.)

The following frequency histogram represents the IQ scores of a random sample of seventh-grade students. IQs are measured to the nearest whole number. The frequency of each class is labeled above each rectangle. Use the histogram to answers parts (a) through (g). IOs of 7h Grade Students 60 70 80 s0 tổ0 tio tào 1à0 140 150 160 scores OB. 100-109 Oc. 95 O D. 90-99 (e) Which class has the lowest frequency? OA 155 O B. 150-159 Oc. 150-160 OD. 60-69 (f) What percent of students had an IQ of at least 130? % (Type an integer or a decimal. Do not round.)

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 23PPS
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The following frequency histogram represents the IQ scores of a random sample of seventh-grade students. IQs are measured to the nearest whole number. The frequency of each class is labeled above each rectangle. Use the histogram IQs of 7th Grade Students answers parts (a) through (g). 60- 60 70 80 90 100 110 120 130 140 150 16o .... O B. 100-109 O C. 95 O D. 90-99 (e) Which class has the lowest frequency? O A 155 O B 150-159 O C. 150-160 O D. 60-69 (f) What percent of students had an IQ of at least 130? % (Type an integer or a decimal. Do not round.) (g) Did any students have an IQ of 161?
Transcribed Image Text:The following frequency histogram represents the IQ scores of a random sample of seventh-grade students. IQs are measured to the nearest whole number. The frequency of each class is labeled above each rectangle. Use the histogram IQs of 7th Grade Students answers parts (a) through (g). 60- 60 70 80 90 100 110 120 130 140 150 16o .... O B. 100-109 O C. 95 O D. 90-99 (e) Which class has the lowest frequency? O A 155 O B 150-159 O C. 150-160 O D. 60-69 (f) What percent of students had an IQ of at least 130? % (Type an integer or a decimal. Do not round.) (g) Did any students have an IQ of 161?
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