Suppose 2000 students did an exam so the list of 2000 exam marks is a quantitative variable X. Also suppose the exam mark of 50 is the 1.2th percentile

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A: 3.40) The mean is 1010 and the standard deviation is 218.

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Q: d) Type of Test: [Select] [ Select ] Two Tailed Left Tailed Right Tailed >

A: We have to find type of test.

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A: given data N = 50μ= 78σ= 6.58carlos : 82Julia : 75how many students did carlos surpassed?n(x<82)…

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Q: need Q4 solution  X value is 13

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Q: the mean = 146, and s =  35 Question #5 you can infer that 97.72% of female students have scores…

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A: The mean is 21.8 and the standard deviation is 5.5.

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A: (b) State the hypotheses.

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Q: a,b,c

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A: Given data,μ=102σ=16

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A: Claim:  "Whether or not a person has a tattoo is independent of whether or not a person smokes"

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A: Topic- Statistics

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