Reference no: EM131728538

Question: Draw a picture illustrating each of the following distributions, showing the t-values marking the specified areas and the proportion of the t-distribution that falls in that area. Note: The use of either statistical software or Excel is necessary.

a. t-distribution with df = 10, middle 95%.

b. t-distribution with df = 20, area above 1.725.

c. t-distribution with df = 20, area between -1.725 and 1.725.

d. t-distribution with df = 10, upper 5%.

e. t-distribution with df = 10, area below -t and above +t (same t) totals 5%.