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Q: According to the National education Association (NeA), teachers generally spend morethan 40 hours ea...

A: Median: The median represents the middle value of the given data and divides the data into two equal...

Q: The following data were obtained from a repeated-measures study comparing two treatment conditions. ...

A: (1). Test whether there are significant mean differences between the two treatments: The data repres...

Q: If X1, X2, ... , Xk have the multinomial distribution of Definition 8, show that the mean of the mar...

A: The variable X1, X2, …, Xk have multinomial distribution. It is known that marginal distribution of ...

Q: the general election (Rasmussen Reports website, November 4, 2012). The state of theeconomy was thou...

A: The given information is that the sample of 750 voters participated in a survey about the election. ...

Q: Consider the experiment of tossing a coin three times.a. Develop a tree diagram for the experiment

A: A tree diagram is simply a way to represent a sequence of occurrences. Tree diagrams are especially ...

Q: Data were collected on the amount spent by 64 customers for lunch at a major Houstonrestaurant. Thes...

A: Confidence interval = c = 99% = 0.99 Population standard deviation = s = 6 Sample size = n = 64

Q: Explain with example (i) weighted mean (ii) grand mean (iii) harmonic mean

A: Note: Hi there! Thank you for posting the question. As there are several independent questions, acco...

Q: Out of 400 people sampled, 224 had children under the age of 18. Based on this, construct a 90% conf...

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Q: Show that under the assumptions of normal multipleregression analysis(a) E(Bˆ i) = βi for i = 0, 1, ...

A: I have solved this question,taking the number of covariates as p instead of k and cov(Bˆ i, Bˆ j) = ...