Mathematics, 13.07.2021 06:40 alissa2151
A random sample of 13 teenagers were surveyed for a hypothesis test about the mean weekly amount spent on convenience goods. Researchers conduct a one-mean hypothesis test, at the 1% significance level, to test whether the average spent per week on convenience goods is greater than 50 dollars.
df t0.10 t0.05 t0.025 t0.01 t0.005
β
β
β
β
β
β
β
β
β
β
β
β
β
β
β
β
β
β
11 1.363 1.796 2.201 2.718 3.106
12 1.356 1.782 2.179 2.681 3.055
13 1.350 1.771 2.160 2.650 3.102
14 1.345 1.761 2.145 2.624 2.977
15 1.341 1.753 2.131 2.602 2.947
Using the information above and the partial tβtable, determine the critical value(s). If there are two critical values, display those with Β±.
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