On a can of sardines it is written that the can contains 10 sardines. You open up 100 cans and find the average is 9.75 sardines
with a standard deviation of 1.
What is the test statistic in a test of the null hypothesis that the population average is 10?
1 answer:
Answer: 
Step-by-step explanation:
By considering the given statements :
Null hypothesis : 
Alternative hypothesis :
( opposite of null hypothesis.)
As per given , we have
Sample size : n= 100
Sample mean : 
Sample standard deviations : 
Since population standard deviation is unknown , so we will perform t-test.
Formula for test statistic ( for population mean):

Hence, the required test statistic : 
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Answer:
I believe it is 49.425
Step-by-step explanation:
You just add all the numbers then divide it by how many numbers there are.
It’s the vertical line on the graph
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Answer:
I can even see anything can you reupload your answer, please?
Step-by-step explanation:
$36 x 1.07 = $38.52
The cost will be $38.52
Tax on this is $2.52