For a t curve with df 21 find each t value
For a t-curve with df = 21, find each t-value, and illustrate your results graphically.
a. The t-value having area 0.10 to its right
b. t0.01
c. The t-value having area 0.025 to its left (A t-curve is symmetric about 0.)
d. The two t-values that divide the area under the curve into a middle 0.90 area and two outside areas of 0.05
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