A52
TurkiT
Worksheet_rev.docxWeek 5 Worksheet
Directions: For this assignment complete the work sheet below. Please type out your answers on a separate Word document and then upload it . Don’t forget to number your answers so they can be matched up to the correct question.
1. People were asked how many miles they lived from work. The responses were
22, 20, 1, 25, 35, 23, 18, 5, 22, 22, 15, 7, 14, 21, 5, 9 and 13. The national average distance from work is 20 miles. Find the following:
a) Mean
b) Median
c) Mode
d) Standard deviation
e) Z-Score
f) Range
d) What would be the most appropriate measure of central tendency and why? Does this data represent a skewed distribution? Why or Why not?
2. At a pet store, a survey was taken asking how many pets each person had. The results were: 2, 5, 3, 1, 0, 4, 2, 7, 0, 2, 5, 1, 2, 6, 2, 10, 7, 3. The population average is 2. Find the following:
a) Mean
b) Median
c) Mode
d) Standard deviation
e) Z-Score
f) Range
d) What would be the most appropriate measure of central tendency and why? Does this data represent a skewed distribution? Why or Why not?
3. A sample of eight students were randomly selected and asked, "How many times did you check your email yesterday?" The numbers were: 3, 0, 8, 7, 10, 2, 6, 12, 45, 82, 1, 23, 11, 4, 55, 0. The average number of email checks in the population is 16.
a) Mean
b) Median
c) Mode
d) Standard deviation
e) Z-Score
f) Range
d) What would be the most appropriate measure of central tendency and why? Does this data represent a skewed distribution? Why or Why not?
