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50. The owner of a math tutoring company wanted to advertise that the students that received tutoring from them scored significantly higher on the math section of the SAT than the general population. Students receiving tutoring (n = 25) took the SAT and reported their score on the math section. The owner knew the population average for the math section is 523 with a standard deviation of 117. The owner would like to compare the student averages to see if they performed significantly different from the general population. Which statistical tests should she use? a. Z-test b. One-sample test Independent sample t-test d. Dependent sample t-test C.

50. The owner of a math tutoring company wanted to advertise that the students that received tutoring from them scored significantly higher on the math section of the SAT than the general population. Students receiving tutoring (n = 25) took the SAT and reported their score on the math section. The owner knew the population average for the math section is 523 with a standard deviation of 117. The owner would like to compare the student averages to see if they performed significantly different from the general population. Which statistical tests should she use? a. Z-test b. One-sample test Independent sample t-test d. Dependent sample t-test C.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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50. The owner of a math tutoring company wanted to advertise that the students that received tutoring from them scored significantly higher on the math section of the SAT than the general population. Students receiving tutoring (n = 25) took the SAT and reported their score on the math section. The owner knew the population average for the math section is 523 with a standard deviation of 117. The owner would like to compare the student averages to see if they performed significantly different from the general population. Which statistical tests should she use? a. Z-test b. One-sample test C. Independent sample t-test d. Dependent sample t-test 51. A marketing agency wanted to determine if a new commercial changed people's opinion about a company. They recruited n = 30 participants to watch the commercial. First, everyone was given a survey to determine their attitudes toward the company. Then everyone watched the new commercial. Finally, they were given the same survey again and asked about their attitudes toward the company after seeing the commercial. The agency wanted to see if attitudes were changed by the commercial. Which statistical tests should they use? a. Z-test b. One-sample test C. Independent sample t-test d. Dependent sample t-test
Transcribed Image Text:50. The owner of a math tutoring company wanted to advertise that the students that received tutoring from them scored significantly higher on the math section of the SAT than the general population. Students receiving tutoring (n = 25) took the SAT and reported their score on the math section. The owner knew the population average for the math section is 523 with a standard deviation of 117. The owner would like to compare the student averages to see if they performed significantly different from the general population. Which statistical tests should she use? a. Z-test b. One-sample test C. Independent sample t-test d. Dependent sample t-test 51. A marketing agency wanted to determine if a new commercial changed people's opinion about a company. They recruited n = 30 participants to watch the commercial. First, everyone was given a survey to determine their attitudes toward the company. Then everyone watched the new commercial. Finally, they were given the same survey again and asked about their attitudes toward the company after seeing the commercial. The agency wanted to see if attitudes were changed by the commercial. Which statistical tests should they use? a. Z-test b. One-sample test C. Independent sample t-test d. Dependent sample t-test
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