Answer: The answer is D.
Step-by-step explanation:
Answer:
160
Step-by-step explanation:
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A and E I think because isosceles is two equal and one different and Right because it has a right/90° angle
Answer:
Test statistic,
(to 3 dp)
Step-by-step explanation:
Deviation, d = x -y
Sample mean for the deviation


Standard deviation: 


SD =2.93
Under the null hypothesis, the formula for the test statistics will be given by:

