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

Q: ind the root mean square for the equation y = 1+sindx if x =1 to x=3

A: Given equation is y=1+sin4x. We have to find the root mean square for the equation y=1+sin4x if x=1…

Q: Evaluate d cotx

A: ddxcotx

Q: Which of the following statements are true about the relationships of alpha and beta type of errors?…

A: Answer :- Alpha and beta errors are inversely proportional with one another   There are main two…

Q: find the spearman's correlation Y 2053 10.5 2058 10.49 2059 10.48 2061 10.47 2065 10.47 2065 10.47…

A: Also, the following calculations involving the ranks are needed to compute the Spearman correlation…

Q: (12FF35.AE)16 = ( D10 a. (1245981.89)10 Ob. (3244981.78)10 O. (1244991.77)10 O d.(1244981.68)10

A: We need to convert the base 16 number to base 10 number. We will do it by definition of base 16 and…

Q: Evaluate

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Q: Find the cross correlation of functions sin o t and cos Ot

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Q: determine the value of theta given that 0<=theta<=2pi for cosx=-0.3178. Justify your answer.

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Q: we have described the difference between interpretation and extrapolation. Explain, in your own…

A: In extrapolation, we are estimating or forecasting a future value with the given values or in other…

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: Critically examine the “BAROMETRIC METHOD” of forecasting

A: Barometric Method of forecasting is based on the demands of the product in the past and it tries to…

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: )サー cos( sinx)

A: It is given that the function fx=cos-1sinx. The given function is of the form fgx, by using the…

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: 1. To determine if the average irritability level is at least 6, a appropriate to use.…

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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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