Question: A professor would like to test the hypothesis that the average number of minutes that a student needs to complete a statistics exam is less

A professor would like to test the hypothesis that the average number of minutes that a student needs to complete a statistics exam is less than 60 minutes. A random sample of 50 students was selected and the number of minutes needed to complete the exam was recorded. The average time obtained from the 50 students was 65.3 and the sample standard deviation was 12.5 minutes. A significance level of 5% will be used for the hypothesis test.

What is the value of the test statistic t ?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

What is "orthographic memory"? O a. Memory of written and spoken sentence structure O b. Memory of word meanings and how words are related O c. Memory of speech sounds and pronunciation "rules" O d....

23. Verizon Wireless would like to estimate the proportion of households that use cell phones for their phone service without a land line. A random sample of 150 households was selected and 48 relied...

6.) A professor would like to test the hypothesis that the average number of minutes that a student needs to complete a statistics exam is equal to 45 minutes. A random sample of 40 students was...

A professor would like to test the hypothesis that the average number of minutes that a student needs to complet e a statistics exam is less than 120 minutes. A random sample of 40 students was...

1. A bank officer wants to determine the amount of the average total monthly deposits per customer at the bank. He believes an estimate of this average amount using a confidence interval is...

8. A professor would like to test the hypothesis that the average number of minutes that a student needs to complete a statistics exam has a standard deViation that is less than 5.0 minutes. A random...

A professor would like to test the hypothesis that the average number of minutes that a student needs to complete a statistics exam has a standard deviation that is less than 5.0 minutes. A random...

A professor would like to test the hypothesis that the average number of minutes that a student needs to complete a statistics exam is equal to 45 minutes. A Type II error would occur if the...

A professor would like to test the hypothesis that the average number of minutes that a student needs to complete a statistics exam has a standard deviation that is less than 5.0 minutes. A random...

35 please QUESTION 35 A professor would like to test the hypothesis that the average number of minutes that a student needs to complete a statistics exam is equal to 45 minutes. Ho: p = 45; H 1: p =...

A professor would like to test the hypothesis that the average number of minutes that a student needs to complete statistics exam is equal to 45 minutes. A random sample of 40 students was selected...

An ordered linked list of characters has been constructed using the array-based implementation described in this section. The following diagram shows the current contents of the array that stores the...

Lukas decides to open his dream business utilizing land that he inherited from a distant relative. His dream is to open a private landfill to compete with public landfills where waste services can...

The Distance Plus parthership has the following capital balances at the beginning of the current year along with respective proft and loss percentages: \ table [ [ Tiger ( 3 0 n ) , 5 8 5 , 0 8 0 ] ,...

A company issues 1,050 shares of its common stock for $33,600 cash. Prepare journal entries to record this event under each of the following separate situations.