Perform the following hypothesis test: HO: µ = 6 H1: µ  6 The sample mean is 5.8, sample standard deviation of 1.5 and a sample size of 42.  Use a 5% significance level. What is the value of the test statistic? (Give your answer rounded to 2 decimals) (Be careful to make sure your + or - sign is correct)

Q: Find the standardized test statistic t for a sample with n = 20, x = 13, s = 2.0, and a=0.05 if Ha:…

A: Test - stats(t) = x¯-μsn                                      13-13.4220=-0.894

Q: Naomi scores 39 on a test. The standard deviation is 6.00. Her z score is +1.5. What is the mean of…

A: given data x = 39 σ = 6z = 1.5μ = ?

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A: The given hypothesis is H0:μ=80  Vs  Ha:μ≠80. The sample size is 70.

Q: Calculate the sample standard deviation for this data set: 88, 73, 91.

A: From the provided information, 88, 73, 91 The sample mean of the data can be obtained as:

Q: Determine the weight of the students before and during the quarantine. Did the students lose more…

A: H0:μ1=μ2H1:μ1<μ2

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A:

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A: alloy 1 : x¯1  = 517s1 = 2.4n1 = 35alloy 2 :x¯2  = 515.1s2 =2.1n2 = 47α = 0.01claim : μ1 ≠ μ2α =…

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Q: Claim: The mean pulse rate (in beats per minute) of adults males is equal to 69 bpm. For a random…

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A: Mean=mu=16 Standard deviation=sigma=7 X=22

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A: sample size(n)=100Mean()=703standard deviation()=92significance  level()=0.05

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A:

Q: A weight of 99 pounds among a population having a mean weight of 162 and a standard deviation of…

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