Ashford BUS308 2020 September Week 2 Quiz Latest

BUS308 Statistics for Managers

Week 2 Quiz  

Question 1A P-value is the probability of selecting a sample that accurately reflects the population.

  True

  False

 Question 2Typical P-values used in hypothesis testing do not include?

  0.001

  0.01

  0.05

  0.10

Question 3The t-test is used to test for variance equality between samples.

  True

  False

 Question 4What is the second step in the hypothesis testing procedure?

  State the decision rule.

  State the level of significance.

  State the test statistic and statistical test.

  State the null and alternate hypothesis statements.

 Question 5In Excel, we can find a t-test function in the

  Analysis ToolPak Statistical list

  The Fx statistical list.

  The Formulas More Functions list (in newer versions of Excel).

  All of these locations

 Question 6In writing the null and alternate hypothesis statements, which pair of symbols are used?

  An = in the null paired with an =/= (or ≠) in the alternate.

  An => in the null paired with an < in the alternate.

  An <= in the null paired with an > in the alternate.

  All of these may be used.

 Question 7What is the forth step in the hypothesis testing procedure?

  State the decision rule.

  State the level of significance.

  State the test statistic and statistical test.

  State the null and alternate hypothesis statements.

 Question 8The F-test can be used for testing mean equality.

  True

  False

 Question 9The F-test requires an assumption of equal variances within the samples being tested.

  True

  False

 Question 10Testing for mean equality between the salary and midpoint values would use the

  T-test assuming equal variance

  T-test not assuming equal variance

  Paired T-test

  We cannot compare these two measures.