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).
Answer:
12 to 6
12:6
Step-by-step explanation:
Answer:
The mean absolute deviation of seven is 10
Step-by-step explanation:
I think that the basketball's volume would be greater than the softball because it has a radius of 5 and the softball has a radius of 2.