this is a multi part question A researcher is interested in testing whether college students send more or fewer texts per day, relative to the general population. The researcher finds out that the population average of texts sent per day is µ = 112, but is unable to find out the population standard deviation. This researcher then recruits 25 college students, and asks about their texting. They report a sample mean of M = 120, with a SS= 1200 Compute the sample variance s2= ? (Continuing from the last question, with the same values) A researcher is interested in testing whether college students send more or fewer texts per day, relative to the general population. The researcher finds out that the population average of texts sent per day is µ = 112, but is unable to find out the population standard deviation. This researcher then recruits 25 college students, and asks about their texting. They report a sample mean of M = 120, with a SS= 1200 In the last question, you computed the sample variance (s2) For this question, compute the estimated standard error (sM) = ? (Continuing from the last question, with the same values) A researcher is interested in testing whether college students send more or fewer texts per day, relative to the general population. The researcher finds out that the population average of texts sent per day is µ = 112, but is unable to find out the population standard deviation. This researcher then recruits 25 college students, and asks about their texting. They report a sample mean of M = 120, with a SS= 1200 In the last question, you computed the estimated standard error (sM) For this question, compute the value of the t-test. t = ?
this is a multi part question
A researcher is interested in testing whether college students send more or fewer texts per day, relative to the general population. The researcher finds out that the population average of texts sent per day is µ = 112, but is unable to find out the population standard deviation.
This researcher then recruits 25 college students, and asks about their texting. They report a sample mean of M = 120, with a SS= 1200
Compute the sample variance s2= ?
(Continuing from the last question, with the same values)
A researcher is interested in testing whether college students send more or fewer texts per day, relative to the general population. The researcher finds out that the population average of texts sent per day is µ = 112, but is unable to find out the population standard deviation.
This researcher then recruits 25 college students, and asks about their texting. They report a sample mean of M = 120, with a SS= 1200
In the last question, you computed the sample variance (s2)
For this question, compute the estimated standard error (sM) = ?
(Continuing from the last question, with the same values)
A researcher is interested in testing whether college students send more or fewer texts per day, relative to the general population. The researcher finds out that the population average of texts sent per day is µ = 112, but is unable to find out the population standard deviation.
This researcher then recruits 25 college students, and asks about their texting. They report a sample mean of M = 120, with a SS= 1200
In the last question, you computed the estimated standard error (sM)
For this question, compute the value of the t-test. t = ?
(Continuing from the last question, with the same values)
A researcher is interested in testing whether college students send more or fewer texts per day, relative to the general population. The researcher finds out that the population average of texts sent per day is µ = 112, but is unable to find out the population standard deviation.
This researcher then recruits 25 college students, and asks about their texting. They report a sample mean of M = 120, with a SS= 1200
In the last question, you computed the value of the t-test
For this question, answer, how many degrees of freedom does this t-test have?
A researcher is interested in testing whether college students send more or fewer texts per day, relative to the general population. The researcher finds out that the population average of texts sent per day is µ = 112, but is unable to find out the population standard deviation.
This researcher then recruits 25 college students, and asks about their texting. They report a sample mean of M = 120, with a SS= 1200
In the last question, you provided the degrees of freedom
For this question, answer, was this t-test significant, assuming a two-tailed test with alpha α=.05?
A researcher is interested in testing whether college students send more or fewer texts per day, relative to the general population. The researcher finds out that the population average of texts sent per day is µ = 112, but is unable to find out the population standard deviation.
This researcher then recruits 25 college students, and asks about their texting. They report a sample mean of M = 120, with a SS= 1200
What is the effect size (Cohen’s d) for the difference?
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