Pregunta
Part:
Part 2 of 2
(b)
, and
(b)
Ask by Reid Carrillo. in the United States
Jan 19,2025
Solución de inteligencia artificial de Upstudy
Respuesta verificada por el tutor
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To calculate the t-statistic, we need the sample mean (
), the population mean under the null hypothesis (
), and the sample standard deviation (
). The formula is:
Please provide
,
, and
to find the t-value.
Solución

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Como
Extra Insights
To compute the t-statistic for your hypothesis test with
,
, and
, you need the sample mean (
), the null hypothesis mean (
), and the sample standard deviation (
). Use the formula:
With the sample mean, calculate the difference from the hypothesized mean, divide that by the standard error (which is the sample standard deviation divided by the square root of the sample size), leading you to your t-value!
Just remember, for a two-tailed test at
with
, you’ll check the critical t-values from the t-distribution table to make your decision on whether to reject the null hypothesis or not!

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