Need help with statistics 200 questions

I have attached the questions I need help with.  Must show work to receive credit as well as state what tables/calculators were used.

STAT200 Quiz 3

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• STAT200 Qz 3.docx 43 KB
• STAT200 Qz 3 (revised).docx 37 KB

STAT200 Quiz 3

1. (0.50 point) I hypothesized that girls in my class have the same blood pressure levels as boys. The probability value for my null hypothesis was 0.15. So I conclude that the blood pressures of the girls were higher than boys’. Which kind of mistake did I make? a. Type I error b. Typ...

• STAT 200 Questions Complete Solution.docx 28 KB

STAT200 Quiz 3

1. Decide if the probability described is a subjective (personal) probability or a relative frequency probability: A quarter is flipped 2000 times and results in 500 heads. The 25% (500/2000) chance of heads is a A) subjective probability. B) relative frequency probability. Points Earned: 1.0/1.0 2. A stat...

• STAT 200 PSU Quiz 3A+++.docx 72 KB

STAT200 Quiz 3

True or False. Justify for full credit. (25 pts) (a) The normal distribution curve is always symmetric to its mean. True . this is because the mean, median and mode all lie about the same position. (b) If the variance from a data set is zero, then all the observations in this data set are identical. True. The variance is a measure of dispersion from the mean.So if the d...

• stat200_final exam newA++.docx 69 KB