Individual Assignment: Understanding Business Research Terms and Concepts: Part 3 Instructions

Please highlight (like I just did) the correct answer and upload the entire document to the Assignments link by the due date in the syllabus. This is the only version of the assignment that will be graded. Do not use the matching shown on the Materials tab page for Week 5!
1 Which of the following shapes best represents a normal distribution as it is depicted graphically?
A. Square
B. Bell
C. Triangle
D. Star
E. Hat
For questions 2 through 4, consider the following array of numbers: 5 6 7 7 7 8 8 9 9 9 10 15 19 20 21 2. In the array provided, what is the mode?
A. 7
B. 9
C. 10
D. 15
E. Both A and B 3. In the array provided, what is the median?
A. 7
B. 9
C. 10
D. 15
E. Both A and B

4. In the array provided, what is the mean?
A. 7
B. 9
C. 10
D. 15
E. Both A and B

5. The difference between the smallest and the largest values in a distribution is the _____.
A. mean
B. median
C. mode
D. range
E. deviation
6. Which of the following is a bar chart arranged in increasing order by size?
A. Control chart
B. Simple bar chart
C. Pareto diagram
D. Histogram
7. Which of the following hypotheses is a null hypothesis?
A. There is no difference in the monthly grocery bills of families with one child and families with two children
B. Grocery bills vary according to the number of meals eaten outside the home
C. Families with two children have significantly higher grocery bills than families with just one child
D. There is a relationship between grocery bills and the number of people in a household
E. The mean age in a household is predictive of the amount of money sent on food each month
8. _____ occurs when the sample results lead to the rejection of a null hypothesis that is in fact true.
A. Type I error
B. Two-tailed