Assignment Unit 4
Name Omitted
Math 1280: Introduction to Statistics
University of the People
9/28/22
1
Assignment Unit 4
1. Rounded to two places, the median of this data is 2.80.
2. True
3. The interquartile rang for this data is (when rounded to three decimal places) is: 6.500
(Q3) - 0.500 (Q1) = 6.000
4. To calculate the interquartile range, the formula would be Q3 – Q1 = Interquartile Range
(Yakir, 2011).
5. Uppermost cutoff point: 15.50
Lowermost cutoff point: -8.50
6. False
7. 18
8. The standard deviation is 5.249
9. 0.15 is the missing value
10. 1.0
11. No
12. False
13. 0.60
14. 0 percent due to the lack of 1.5 in the sample
15. 2.95
16. False
17. 1.910
18. You would need to square the sd
19. There are 49,949
2
Assignment Unit 4
20. Median is 4.473
21. 54.916
3
Assignment Unit 4
References
Yakir, B. (2011). Introduction to Statistical Thinking (with R, Without Calculus). The Hebrew
University (Jerusalem).