Is you add all the ones you get 9 and if the mean is 10 sum of numbers/number of numbers so N has to be 91 because 91+9=100 100/10(number of numbers)=10
Answer:
Step-by-step explanation:
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Answer:
Step-by-step explanation:
Given
Required
Determine the test statistic
Let the dataset of stick be A and Liquid be B.
We start by calculating the mean of each dataset;
n, in both datasets in 6
For A
For B
Next, calculate the sample standard deviation
This is calculated using:
For A
For B
Calculate the pooled variance
Lastly, calculate the test statistic using:
We set
So, we have:
The equation becomes
<em>The test statistic is 31.29</em>
You know the y intercept is 4
The slope is 1/2
The equation is y = 1/2x + 4