ATTENTION:
Kindly note that you will be presented with 50 questions randomized from the NOUN question bank. Make sure to take the quiz multiple times so you can get familiar with the questions and answers, as new questions are randomized in each attempt.
Good luck!
STT205
1 / 50
The sum of deviations taken from mean is: _______________
2 / 50
The midpoint of the values after they have been ordered from the smallest to the largest or the largest to the smallest is called:____
3 / 50
4 / 50
5 / 50
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8 / 50
9 / 50
10 / 50
11 / 50
12 / 50
When all the values in a series occur the equal number of times, then it is not possible to calculate the:__________
13 / 50
14 / 50
15 / 50
The elimination of extreme scores at the top of the set has the effect of:_________
16 / 50
17 / 50
18 / 50
19 / 50
20 / 50
21 / 50
22 / 50
23 / 50
Any measure indicating the Centre of a set of data, arranged in an increasing or decreasing order of magnitude, is called a measure of: ______
24 / 50
25 / 50
Sum of absolute deviations of the values is least when deviations are taken from: ________
26 / 50
The median is considered a robust measure because it is resistant to: ________
27 / 50
The arithmetic mean of 10 items is 4 and the arithmetic mean of 5 items is 10. The combined arithmetic mean is: ______
28 / 50
29 / 50
The first step in calculating the median of a discrete variable is to determine the: _______
30 / 50
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33 / 50
The sample mean X- is an example of a: ________________
34 / 50
The population mean μ is an example of a: _________
35 / 50
If the arithmetic mean of the two numbers X1 and X2 is 5 if X1=3, then X2 is:_________
36 / 50
37 / 50
If the arithmetic mean of 20 values is 10, then sum of these 20 values is:_____
38 / 50
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43 / 50
Scores that differ greatly from the measures of central tendency are called:_________
44 / 50
If the smallest observation in a data is decreased, the average which is not affected is: ____
45 / 50
46 / 50
The sum of the squares of the deviations about mean divided by the number of observations is: ________
47 / 50
48 / 50
49 / 50
If ∑i=110Xi-50=100 then sample mean X- will be: ________
50 / 50
Ten families have an average of 2 boys. How many boys do they have together?
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