The following information will be used for Questions 8-9. The Class 2022 had 202 students who took the Statistics course
Posted: Thu Feb 17, 2022 10:56 am
Questions 8-9. The Class 2022 had 202 students who took the Statistics course. Their mean score in the Final Test was 80 8. Suppose a friend of yours concluded 50% of students had a test score higher than 80 with an estimation error of 0.07. Are you skeptical of your friend's claim? Explain why. [10 marks] 9. For the Class 2023, suppose the mean score of the Final Test is 70. The friend of yours now concludes that Class 2022 did better than Class 2023 in the Final Test. Are you skeptical of your friend's claim? Explain why. [10 marks]
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