TODAY Moms and Parenting.com surveyed 6,000 parents to determine how much money they were willing to spend on gifts for each one of their children during the holiday season. The following frequency distribution represents the results of the survey: Classes $ amount) 1 100 Frequency 1134 101 200 201 - 300 1458 301 400 401 500 501 and above 588 Determine the missing frequency for the second class 750 468 937 O 1524 O 1602 1000

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Question 24
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The z-score of a student's test grade is -1.45. If the mean is 78, which of the following could be the value of the
student's grade?
78
71
85
can't be determined
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Question 24 of 25 >
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15
158
19,815
FEB
24
身
Transcribed Image Text:A Moving to another question will save this response. «< Question 24 of 25 > >> Question 24 1 points Save Answer The z-score of a student's test grade is -1.45. If the mean is 78, which of the following could be the value of the student's grade? 78 71 85 can't be determined A Moving to another question will save this response. Question 24 of 25 > >> 15 158 19,815 FEB 24 身
A Click Submit to complete this assessment.
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< Question 25 of 25
Question 25
1 points
Save Answer
TODAY Moms and Parenting.com surveyed 6,000 parents to determine how much money they were willing to
spend on gifts for each one of their children during the holiday season. The following frequency distribution
represents the results of the survey:
Classes
($ amount)
1 100
101 200
201 - 300
|Frequency
1134
1458
750
468
501 and above 588
301 - 400
401 500
Determine the missing frequency for the second class
937
1524
1602
1000
Click Submit to complete this assessment.
< Question 25 of 25
15
158
19,815
FEB
24
280
O000
Transcribed Image Text:A Click Submit to complete this assessment. >< < Question 25 of 25 Question 25 1 points Save Answer TODAY Moms and Parenting.com surveyed 6,000 parents to determine how much money they were willing to spend on gifts for each one of their children during the holiday season. The following frequency distribution represents the results of the survey: Classes ($ amount) 1 100 101 200 201 - 300 |Frequency 1134 1458 750 468 501 and above 588 301 - 400 401 500 Determine the missing frequency for the second class 937 1524 1602 1000 Click Submit to complete this assessment. < Question 25 of 25 15 158 19,815 FEB 24 280 O000
Expert Solution
Step 1

Formula of z score is , 

z = ( x - mean ) / SD

 x = z*SD  + mean

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