Suppose the professor wants the scores to be curved in a way that results in the following top 10% of scores receives an a bottom 10% of scores receives an S scores between the 70th and the 90th prince and tail receives a B scores between the 30th and the 70th percentile receives a C scores between the 10th and 30th percentile receives a D find the range of scores that will qualify for each grade under this plan assume all scores are normally distributed with a mean of 60.53 and a standard deviation of 10.96

Q: Use the accompanying data set to complete the following actions. a. Find the quartiles. b. Find the…

A: Step 1: State the given data: 64, 62, 54, 64, 59, 57, 62, 60, 56, 55, 58, 64, 58, 61, 82 Step 2:…

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Q: Use the accompanying data set to complete the following actions. a. Find the quartiles. b. Find the…

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Q: Use the accompanying data set to complete the following actions. a. Find the quartiles. b. Find the…

A:

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A:

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A: Chi-square is a non-parametric distribution.

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Q: Use the accompanying data set to complete the following actions. a. Find the quartiles. b. Find the…

A: Formula : IQR = Q3-Q1

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Q: what was the final exam score for each student?

A: We have given that  Mean, μ = 100 Standard deviation, σ = 17 Z-Score formula:  z = (x-μ)/σ

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A: Mean = (summation fiXi)/(summation (fi) = (3*2+8*5+9*4+10*1)/(2+5+4+1) = 7.67

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.