Biostatistics

This question has 10 parts. Each of the 10 parts (Part A – Part J) has a dropdown list of possible answers. Choose the best answer from the dropdown list for EACH part of the question below.

Your analysis will focus on the variables “Height in feet” (NQ49_FT) and “International student” (NQ55)

Note: Be careful NOT to use the different variables NQ49_IN (Height in inches) or HT_INCH (Height in Inches)

Investigators are wondering if there is a difference in the average height in feet of international students compared with non-international studentsTo examine their research question of interest, they will use data from the sample of students contained in the dataset. Using SPSS, test whether there appears to be a difference in the average height in feet of international students when compared to non-international students, using an alpha level (α) of 0.01. Provide the following information:

You will use the information above to complete the question parts below.

Part A: Which of the following represents the appropriate null hypothesis (H0), given this research question of interest?

PART A ANSWER: H0:

Part B: Which of the following represents the appropriate alternative hypothesis (H1), given this research question of interest?

PART B ANSWER: H1:

Part C: What is the mean height in feet of international students (“International student”=Yes)?

PART C ANSWER:

Part D: What is the mean height in feet of non-international students (“International student”=No)?

PART D ANSWER:

Part E: How many people in your sample are international students (“International student”=Yes)?

PART E ANSWER:

Part F: How many people in your sample are non-international students (“International student”=No)?

PART F ANSWER:

Part G: What is your t statistic?

PART G ANSWER:

Part H: What is your degrees of freedom?

PART H ANSWER:

Part I: What is the p-value associated with your test statistic?

PART I ANSWER:

Part J: What is your decision about the null hypothesis based on your test results?