Question
Answered step-by-step
BrigadierUniverseMole251
Use this information for Question 1, 3, 4, 5, 6, 7 Number of…
Use this information for Question 1, 3, 4, 5, 6, 7
Number of Dates
Frequency
Percentage
Cumulative Frequency
Cumulative Percentage
0
3
10.00
3
10.00
1
5
16.67
8
26.67
2
7
B
15
50.00
3
6
20.00
21
70.00
4
3
10.00
24
80.00
5
3
10.00
27
90.00
6
1
3.33
28
93.33
7
A
0.00
28
D
8
1
C
29
E
9
0
0
29
96.67
10
1
3.33
30
100.00
Question 1 (2 points)
For a perfectly symmetrical distribution with a median of 30, what is the value of the mean?
Question 1 options:
30
Less than 30
Greater than 30
Cannot be determined from the information given
Question 2 (2 points)
Your instructor gives a 60-item pre-test on the first day of your statistics class. Because there has not yet been any statistics instruction, most students score quite low on the test. However, a small number of students have had statistics instruction in another course. Those students do quite well on the test. What measure of central tendency best summarizes the entire class’s statistics knowledge at the start of the course? Why?
Paragraph
Lato (Recommended)
19px (Default)
Add a File
Question 3 (2 points)
Given the frequency table above, what number belongs in the box labelled A?
Question 4 (2 points)
Given the frequency table above, what number belongs in the box labelled B?
Question 5 (2 points)
Given the frequency table above, what number belongs in the box labelled C?
Question 6 (2 points)
Given the frequency table above, what number belongs in the box labelled D?
Question 7 (2 points)
Given the frequency table above, what number belongs in the box labelled E?
———————————————————–
Question 8 (3 points)
Describe the shape of this distribution. Remember your answer must include three aspects of the shape of the distribution
Paragraph
Lato (Recommended)
19px (Default)
Add a File
———————————————————————————–
Use this information for Question 9, 10, 11, 12, 13, 14
The scores of a population of eight college freshmen on a measure of loneliness were recorded as:
8, 6, 14, 12, 10, 14, 10, 10
Given this data, answer the following questions.
Question 9 (2 points)
What is the mean?
Question 10 (1 point)
What is the median?
Question 11 (1 point)
What is the mode?
Question 12 (1 point)
What is the range?
Question 13 (4 points)
What is the population variance?
Question 14 (2 points)
What is the population standard deviation?
———————————————————————————–
Use this information for Question 15, 16, 17, 18, 19, 20
A sample of ten students from an introductory psychology course were assessed on knowledge of basic psychology. Their scores on a 20-question measure were:
20, 15, 16, 13, 12, 18, 16, 19, 15, 15
Use this data to calculate the following:
Question 15 (2 points)
What is the mean?
Question 16 (1 point)
What is the median?
Question 16 options:
Question 17 (1 point)
What is the mode?
Question 18 (1 point)
What is the range?
Question 19 (4 points)
What is the sample variance?
Question 20 (2 points)
What is the sample standard deviation?
