WorksheetsWritten Work 1
Total questions: 35
Worksheet time: 36mins
The observation which occurs most frequently in a sample is the (a)
What is the median of the sample 5, 5, 11, 9, 8, 5, 8 ?
5
6
8
9
To calculate the median, all the items of a series have to be arranged in a/an ________.
DESCENDING
ORDER
ASCENDING ORDER
ASCENDING OR DESCENDING ORDER
NONE
_________ is not a measure of central tendency
MODE
MEAN
RANGE
MEDIAN
Which of the following is a characteristic of a mean?
The sum of deviations from the mean is zero
It minimizes the sum of squared deviations
It is affected by extreme scores
All of the above
Find the mode of the set of observation shown. 15, 13, 13, 14, 17, 17, 18, 12, 17.
17
14
13
15
What is the mean of the following numbers: 23, 45, 87, 40, 50?
49
34
56
78
If there is an even number of data in the data set how do you find the median?
order the data and find the middle value
order the data add the two middle values and divide by 2
When calculating the mean you need to _____________
add all the numbers together and divide the number of items
find the middle value
multiply all the numbers
Select the measure that appears most often in the set
The mean , median and mode are also known as __________
measures of central tendency
center values
middle values
10. What is the median for the data: 92, 89, 83, 76, 56, 90, 86, 79, 66?
A. 90
B. 56
C. 83
D. 79
What is the mean of the following numbers? 10, 39, 71, 39, 76, 38, 25
42
39
42.5
35.5
The mean of four numbers is 71.5. If three of the numbers are 58, 76, and 88, what is the value of the fourth number?
64
60
76
82
The front row in a movie theatre has 23 seats. If you were asked to sit in the seat that occupied the median position, in which seat would you have to sit?
1
11
23
12
What is the median score achieved by a student who recorded the following scores on 10 math quizzes? 68, 55, 70, 62, 71, 58, 81, 82, 63, 79
68
71
69
79
What is the mode of the following numbers? 12, 11, 14, 10, 8, 13, 11, 9
11
10
14
8
What measures of central tendency appears most often in a given set of scores or data?
(a)
Which measure of central tendency is obtained using the middle score when all scores are arranged in increasing or decreasing order?
(a)
Mrs. Montana has five children namely: Rodley, Cristina, Christian, Elsa and Mae. Count all the letters in each name, which of the following sets illustrate the order of the names based on the number of letters it has from least to greatest?
Rodley, Cristina, Christian, Elsa, Mae
Cristina, Christian, Elsa, Mae, Rodley
Mae, Elsa, Rodley, Cristina, Christian
Christian, Cristina, Rodley, Mae, Elsa
To find the mean of a set of numbers, add up all the items and divide by…?
a. 2
b. the maximum
c. the minimum
d. the number of scores
What is the mean of the following numbers ?
10, 39, 71, 39, 76, 38, 25
42.56
43.57
42.56
42.57
What is the median of the following numbers?
10, 25, 38, 38, 39, 42, 71, 76
38.50
39
38
39.50
How to read the symbol of Mode?
X-hat
X-bar
X-tilde
How to read the symbol of Median?
X-hat
X-bar
X-tilde
How to read the symbol of Mean?
X-hat
X-bar
X-tilde
Given the set of scores:
43, 38, 43, 38, 38, 45, 36, 38, 43, 40, 35, 40
COMPUTE FOR THE VALUE OF MEAN.
39.75
37.5
38.5
39.5
Find the mean of the following: 67,89,93,77,84.
60
75
82
90
Find the mean of the numbers 9,7,10,9,12,6, and 10.
7
9
11
13
Find the median of the following scores; 9,17,15,12,10,20, and 8.
20
17
15
12
Find the mean of the following: 67,89,93,77,84.
60
75
82
90
Find the mean of the numbers 9,7,10,9,12,6, and 10.
7
9
11
13
Given the set of scores:
43, 38, 43, 38, 38, 45, 36, 38, 43, 40, 35, 40
WHAT IS THE NUMBER OF CASES?
10
11
12
13
Given the set of scores:
43, 38, 43, 38, 38, 45, 36, 38, 43, 40, 35, 40
WHAT IS THE SUMMATION OF X?
370
474
300
477
Given the set of scores:
43, 38, 43, 38, 38, 45, 36, 38, 43, 40, 35, 40
COMPUTE FOR THE VALUE OF MEAN.
39.75
37.5
38.5
39.5
Given the set of scores:
43, 38, 43, 38, 38, 45, 36, 38, 43, 40, 35, 40
WHAT IS THE MEDIAN VALUE?
38.5
39
40
40.5
