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following pency hist sample eventn-grade stude ured to the nearest whoie umber. The frequency of each class is labeled above each rectangle. Use the histogram to answers parts (a) through (g). a) How many students were sampled? students b) Determine the class width. The class width is c) Identify the classes and their frequencies. Choose the correct answer below. O A. 60-70, 1; 70-80, 4; 80-90, 13; 90-100, 52; 100-110, 44: 110-120, 41: 120-130, 32; 130-140, 7; 140-150, 4; 150-160, 2 O B. 60-69, 1; 70-79, 4; 80-89, 13; 90-99, 52; 100-109, 44; 110-119, 41; 120-129, 32; 130-139, 7; 140-149, 4; 150-159, 2 OC. 65, 1; 75, 4; 85, 13; 95, 52; 105, 44; 115, 41; 125, 32; 135, 7; 145, 4; 155, 2 d) Which class has the highest frequency? DA. 90-100 ОВ. 100-109 с. 90-99 D D. 95 e) Which class has the lowest frequency? DA. 60-69 О В. 150-159 OC. 60-70 O D. 65

following pency hist sample eventn-grade stude ured to the nearest whoie umber. The frequency of each class is labeled above each rectangle. Use the histogram to answers parts (a) through (g). a) How many students were sampled? students b) Determine the class width. The class width is c) Identify the classes and their frequencies. Choose the correct answer below. O A. 60-70, 1; 70-80, 4; 80-90, 13; 90-100, 52; 100-110, 44: 110-120, 41: 120-130, 32; 130-140, 7; 140-150, 4; 150-160, 2 O B. 60-69, 1; 70-79, 4; 80-89, 13; 90-99, 52; 100-109, 44; 110-119, 41; 120-129, 32; 130-139, 7; 140-149, 4; 150-159, 2 OC. 65, 1; 75, 4; 85, 13; 95, 52; 105, 44; 115, 41; 125, 32; 135, 7; 145, 4; 155, 2 d) Which class has the highest frequency? DA. 90-100 ОВ. 100-109 с. 90-99 D D. 95 e) Which class has the lowest frequency? DA. 60-69 О В. 150-159 OC. 60-70 O D. 65

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.5: Trigonometric Form For Complex Numbers
Problem 6E
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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). (a) How many students were sampled? students (b) Determine the class width. The class width is (c) Identify the classes and their frequencies. Choose the correct answer below. O A. 60-70, 1; 70-80, 4; 80-90, 13; 90-100, 52; 100-110, 44; 110-120, 41; 120-130, 32; 130-140, 7; 140-150, 4; 150-160, 2 O B. 60-69, 1; 70-79, 4; 80-89, 13; 90-99, 52; 100-109, 44; 110-119, 41; 120-129, 32; 130-139, 7; 140-149, 4; 150-159, 2 O C. 65, 1; 75, 4; 85, 13; 95, 52; 105, 44; 115, 41; 125, 32; 135, 7; 145, 4; 155, 2 (d) Which class has the highest frequency? O A. 90-100 O B. 100-109 OC. 90-99 O D. 95 (e) Which class has the lowest frequency? O A. 60-69 O B. 150-159 OC. 60-70 O D. 65
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 to answers parts (a) through (g). (a) How many students were sampled? students (b) Determine the class width. The class width is (c) Identify the classes and their frequencies. Choose the correct answer below. O A. 60-70, 1; 70-80, 4; 80-90, 13; 90-100, 52; 100-110, 44; 110-120, 41; 120-130, 32; 130-140, 7; 140-150, 4; 150-160, 2 O B. 60-69, 1; 70-79, 4; 80-89, 13; 90-99, 52; 100-109, 44; 110-119, 41; 120-129, 32; 130-139, 7; 140-149, 4; 150-159, 2 O C. 65, 1; 75, 4; 85, 13; 95, 52; 105, 44; 115, 41; 125, 32; 135, 7; 145, 4; 155, 2 (d) Which class has the highest frequency? O A. 90-100 O B. 100-109 OC. 90-99 O D. 95 (e) Which class has the lowest frequency? O A. 60-69 O B. 150-159 OC. 60-70 O D. 65
IQs of 7th Grade Students 80- 60- 52 44 41 40- 32 20- 13 4 4 0- 60 70 80 90 100 150 110 IQ scores 120 130 140 160 2.
Transcribed Image Text:IQs of 7th Grade Students 80- 60- 52 44 41 40- 32 20- 13 4 4 0- 60 70 80 90 100 150 110 IQ scores 120 130 140 160 2.
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