The answer would be C) As the number of hours of studying increases, test scores increase because the scatterplot has a cluster that increases from left to right.
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Hope this helps. :)
Division expression for fraction 5/4 for is 4 divided by 4 which is .8
None of the above because it will be 3.2 or -3.2
Hey there!
24 tenths is 240
3 tenths is 30
1 one= 1
240-1=239
239-30=
209
Hope it helps!
Answer: 
Step-by-step explanation:
Hypothesis testing
For this problem, we need to use the t-student distribution to make inference about the data. We calculate the t-statistics as below:
Using a t-statistics table, or using the function TDIST in Microsoft Excel with 
with two-tailed distribution, we obtain .
