The average scores in a pre-final examination scored by under graduate students in the previous year was 63. A tutor, after conducting the weekly tests, wishes to check whether that average has increased this year. For a sample of 70 students, the mean score was 68 with a standard deviation of 15. Compute the value of the test statistic. Group of answer choices 0.33 10.80

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A: Given information Mean µ= 75 Standard deviation σ = 3 Peter’s score x = 72

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Q: yramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout.…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

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Q: Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout.…

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Q: Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout.…

A: a) It is given that α =0.05.

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Q: Convert score 46 to z-score if the mean is 40 and the standard deviation is 4.

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