Top 550+ Solved Total Quality Management (TQM) MCQ Questions Answer

From 31 to 45 of 511

Q. The South African government is concerned about the high incidence of HIV/AIDS in South Africa. They wish to estimate the true number of people in South Africa who are HIV positive. A random sample of 5000 people was tested and 1980 of them were HIV positive. What is the statistic?

a. The 5000 people sampled

b. All the people in South Africa

c. Impossible to calculate from the given information

d. The 1980 people sampled who were HIV positive

  • d. The 1980 people sampled who were HIV positive

Q. The value of Var (3 - 4X) is:

a. 5120 / 9

b. 1280 / 81

c. 5120 / 81

d. 1280 / 9

  • c. 5120 / 81

Q. Which of the following is NOT true about the standard error of a statistic?

a. The standard error measures, roughly, the average difference between the statistic and the population parameter.

b. The standard error is the estimated standard deviation of the sampling distribution for the statistic.

c. The standard error can never be a negative number.

d. The standard error increases as the sample size(s) increases.

  • d. The standard error increases as the sample size(s) increases.

Q. A two-tailed test is one where:

a. results in only one direction can lead to rejection of the null hypothesis

b. negative sample means lead to rejection of the null hypothesis

c. results in either of two directions can lead to rejection of the null hypothesis

d. no results lead to the rejection of the null hypothesis

  • c. results in either of two directions can lead to rejection of the null hypothesis

Q. The chi-square test can be too sensitive if the sample is:

a. very small

b. very large

c. homogeneous

d. predictable

  • b. very large

Q. The treatment mean square (MSTR), Mean Square Error (MSE). If the true means of the kpopulations are equal, then MSTR/MSE should be:

a. more than 1.00

b. a positive number close to 1.00

c. a positive number close to 0.00

d. a negative value between 0.00 and - 1.00

  • b. a positive number close to 1.00

Q. The error deviations within the residual sum of squares (SSE) statistic measure distances:

a. within groups

b. between groups

c. between each value and the grand mean

d. none of these

  • a. within groups

Q. In one-way ANOVA, which of the following is used within the F-ratio as a measurement ofthe variance of individual observations?

a. The Sum of Square of Treatments (SSTR)

b. The Treatment Mean Square (MSTR)

c. The Residual Sum of Squares (SSE)

d. The Mean Sum of Squares (MSE)

  • c. The Residual Sum of Squares (SSE)

Q. You obtained a significant test statistic when comparing three treatments in a one-wayANOVA. In words, how would you interpret the alternative hypothesis H(a)?

a. All three treatments have different effects on the mean response.

b. Exactly two of the three treatments have the same effect on the mean response.

c. At least two treatments are different from each other in terms of their effect on the mean

d. Response.

  • c. At least two treatments are different from each other in terms of their effect on the mean

Q. Two factors are said to interact when

a. The simple main effects of one factor are not homogeneous across all levels of the other.

b. The simple main effects of one factor are homogeneous across the levels of the other.

c. There are neither main effects nor simple main effects.

d. There are no main effects.

  • a. The simple main effects of one factor are not homogeneous across all levels of the other.

Q. How many dependent variables does a two-way ANOVA have?

a. One

b. Two

c. Three

d. Four

  • a. One
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