A population where each element of the population is assigned to one and only on

Question

A population where each element of the population is assigned to one and only one of several classes or categories is a a. multinomial population b. Poisson population c. normal population d. None of these alternatives is correct. the sampling distribution for a goodness of fit test is the a. Poisson distribution b. t distribution c. normal distribution d. chi-square distribution A goodness of fit test is always conducted as a a. lower-tail test b. upper-tail test c. middle test d. None of these alternatives is correct. In an analysis of variance problem if SST = 120 and SSTR = 80, then SSE is a. 200 b. 40 C. 80 d. 120 The required condition for using an ANOVA procedure on data from several populations is that the a. the selected samples are dependent on each other b. sampled populations are all uniform c. sampled populations have equal variances d. sampled populations have equal means An ANOVA procedure is used for data that was obtained from four sample groups each comprised of five observations. The degrees of freedom for the critical value of F are a. 3 and 20 b. 3 and 16 c. 4 and 17 d. 3 and 19 In ANOVA, which of the following is not affected by whether or not the population means are equal? a. x b. between-samples estimate of sigma^2 c. within-samples estimate of sigma^2 d. None of these alternatives is correct.

Explanation / Answer

Q18) Option A is Correct. It is Multionomial Distribution

Q19) Option D is Correct. It is Chisquare Distribution

Q20) Option B is Correct.

Q21) SSE = 120-80 = 40

Option B is Correct.

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