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Incorrect Question 9 0 / 6.25 pts When two sample means are significantly different, There is certainty that corresponding population means are different The variances are also different The difference observed in the sample is too great to be attributed to chance The difference is of practical importanceQuestion 8 0 / 6.25 pts A test of the difference between the means of two items in a questionnaire administered to a single sample of 300 respondents before and after tasting a new flavor of ice cream requires a/an: Chi-square test Independent samples t-test One sample t-test Paired samples t-testct Question 7 0 / 6.25 pts If you want to determine the change in your consumers' average satisfaction after one year of watching cable TV, using the same sample, you would require what type or hypothesis test? One sample t test O Two independent samples t test OA test for proportions A paired sample t testIncorrect Question 6 0 / 6.25 pts Is it possible to test the differences between the percentages of two groups using SPSS? No. SPSS does not perform any of this test O Yes, SPSS does perform this test SPSS can supply the percentages, but the researcher must do a hand calculation SPSS can supply the significance level, but the researcher must do a hand calculationIncorrect Question 10 0 / 6.25 pts If a researcher looked at SPSS output, and found a "Sig" value of 0001, which of the following statements is correct. There would not be any reason to use this output O There would be a "flag" to look further into the output It would depend on the degrees of freedom and sample size The researcher would need to perform additional analysesncorrect Question 14 0 / 6.25 pts We have two percentages and we want to know if they are statistically different. We calculate our Z score and find that it is 4.51. This means: The two percentages are the same The two percentages are not statistically different O The two percentages are statistically different None of the above, the results are inconclusive