The top speed was obtained for five cars with and five other cars without STP gas treatment.

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The top speed was obtained for five cars with and five other cars without STP gas treatment. Use a t-test to find the effect of STP on speed. (The mean of the “with” group = 100.6 and the mean of the “without” group = 102.6). Conduct an independent samples t-tests.

i. State the null and alternative hypothesis in symbols and in words.

ii. State your alpha level:

iii. Perform a hypothesis test. Find your descriptive statistics and find the t(table), the t(formula) – which includes the standard error.

iv. What is your conclusion? State this with words and with statistics.

Posted Date: Sep 19, 2021 10:50 PM

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The top speed was obtained for five cars with and five other cars without STP gas treatment.

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