0 Vote 0 Solutions 1525 Stats Asked: Jan 04,2019In: Hypothesis testing Hypothesis testing for mean with t-test t-test 0 Vote 0 Solutions 1525 Stats
0 Vote 0 Solutions 1397 Stats Asked: Jan 05,2019In: R How to run independent t-test in R - studio r-studio t-test independent t-test 0 Vote 0 Solutions 1397 Stats
0 Vote 0 Solutions 1670 Stats Asked: Jan 21,2019In: Hypothesis testing One group was shown only the video portion of the commercial, and the second group was shown the ad with both audio and video. descriptive-statistics t-test summary-statistics 0 Vote 0 Solutions 1670 Stats
0 Vote 0 Solutions 1764 Stats Asked: Jan 22,2019In: Hypothesis testing A random sample of 15 customers in two different banks were selected and their wait times (in minutes) are given below. t-test comparison-of-two-groups f-statistic 0 Vote 0 Solutions 1764 Stats
0 Vote 1 Solutions 2132 Stats Asked: Jan 22,2019In: Hypothesis testing In a study of the cognitive skills required for successful arguments, 62 psychology graduate students were equally divided into two groups. hypothesis-testing t-test 0 Vote 1 Solutions 2132 Stats
0 Vote 1 Solutions 3212 Stats Asked: Jan 22,2019In: Hypothesis testing A problem with a telephone line that prevents a customer from receiving or making calls is upsetting to both the customer and the telephone company. t-test difference-in-means hypothesis-testing Excel-functions p-value in excel 0 Vote 1 Solutions 3212 Stats
0 Vote 1 Solutions 831 Stats Asked: Jul 22,2019In: Distributions A survey of 25 randomly selected customers found the ages shown (in years) How to find degrees of freedom for t-test 0 Vote 1 Solutions 831 Stats
0 Vote 1 Solutions 896 Stats Asked: Jul 24,2019In: Distributions A survey of 25 randomly selected customers found the ages shown (in years). The mean is 33.12 years degrees of freedom for t-test 0 Vote 1 Solutions 896 Stats
0 Vote 1 Solutions 647 Stats Asked: Jul 24,2019In: Distributions A random sample of 18 purchases showed the amounts in the table (in $). The mean is $50.91 and the standard deviation is $24.40 degrees of freedom for t-test 0 Vote 1 Solutions 647 Stats
0 Vote 1 Solutions 651 Stats Asked: Jul 24,2019In: Distributions Find the critical value t Superscript star for the following situations Finding critical values of t-test 0 Vote 1 Solutions 651 Stats
