the circumference of kayla's bicycle wheel is 19 inches what is the approximate diameter of her bicycle wheel use 3.14 for x
1 answer:
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Answer:
Option B is right
Step-by-step explanation:
(One tailed test at 5% significance level)
n =16 and x bar =1.97
s =0.1
Std error of mean =
Mean diff =
t statistic =Mean diff/se =-1.2
df =16-1=15
p value =0.124375
(B) do not reject the null because the test statistic (-1.2) is > the critical value (-1.7531).