Which of the following should be true to make sure that theta is an estimator of theta(unbiased)?

Q: Would an eardrum hearing this tone be vibrating outward or inward when P>0?

A: To determine whether an eardrum hearing this tone would be vibrating outwardor inward when .

Q: A regression and correlation analysis resulted in the following information regarding a dependent…

A: Given that, ∑xi=90∑yi=170n=10∑(xi-x¯)(yi-y¯)=466∑(xi-x¯)2=234 ∑(yi-y¯)2=1434 ESS=505.98 To find the…

Q: en subjects were given an attitude test on a controversial issue. Then they were shown a film…

A: Given: Pre test Post test 16 20 18 20 16 24 24 28 20 20 25 30 22 23 18 24 15…

Q: 6. Medical researchers want to test the theory that the viral load of Covid-19 in children is…

A: Given information:  To test if the virus load of COVID-19 in children is significantly different…

Q: The nonparametric test should not be used when what?

A: We use non parametric test when the assumptions of parametric test are not fulfilled.

Q: Determines whether the correlation is postive, negative. , or 2cro between the Variables: voriable…

A: Correlation between two variables measure the strength and direction between two variables. It…

Q: I am having trouble with my practice probs. In the proof of the derivative of sine and cosine, we…

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Q: If csc t = 78.417, then csc(-t) = = If cott = 38.09, then cot(-t) = If sect=482.148, then sec(-t) =

A: If csct = 78.417, csc-t = ? If cott = 38.09, cot-t = ? If sect = 482.148, sec-t = ?

Q: we can make a causal claim from the results of the chi-square test

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Q: There is a strong negative association between latitude (angular distance north or south of the…

A: Confounding variable is a type of variable that affects both of the dependent variable and…

Q: What is the z score for x=50 when mu=40 and sigma=2?

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Q: ? I'm not sure what to input for the excel formula "Use the paired t-test function (=ttest(array1,…

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