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
2 / 50
The suitable average for qualitative data is: ________
3 / 50
If the arithmetic mean of the two numbers X1 and X2 is 5 if X1=3, then X2 is:_________
4 / 50
5 / 50
6 / 50
The first step in calculating the median of a discrete variable is to determine the: _______
7 / 50
If the smallest observation in a data is decreased, the average which is not affected is: ____
8 / 50
9 / 50
10 / 50
11 / 50
12 / 50
13 / 50
The median is considered a robust measure because it is resistant to: ________
14 / 50
15 / 50
16 / 50
17 / 50
Ten families have an average of 2 boys. How many boys do they have together?
18 / 50
The frequency distribution of the hourly wage rate of 60 employees of a paper mill is as follows: The mean wage rate is:N______
19 / 50
20 / 50
When the values in a series are not of equal importance, we calculate the: _____________
21 / 50
The total of all the observations divided by the number of observations is called: ______
22 / 50
Step deviation method or coding method is used for computation of the______
23 / 50
23. Which of these is closer to the mode for a skewed distribution?
24 / 50
The sum of deviations is zero when deviations are taken from:________
25 / 50
26 / 50
27 / 50
If a constant value is added to every observation of data, how would the value of the arithmetic mean behave? ________
28 / 50
The arithmetic mean of 10 items is 4 and the arithmetic mean of 5 items is 10. The combined arithmetic mean is: ______
29 / 50
The mean of 10 observations is 10. All the observations are increased by 10%. The mean of increased observations will be: ______
30 / 50
Sum of absolute deviations of the values is least when deviations are taken from: ________
31 / 50
The arithmetic mean is highly affected by: ________
32 / 50
33 / 50
The sum of deviations taken from mean is: _______________
34 / 50
35 / 50
36 / 50
37 / 50
Given X1=20 and X2=-20. The arithmetic mean will be: ________
38 / 50
39 / 50
Scores that differ greatly from the measures of central tendency are called:_________
40 / 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:____
41 / 50
42 / 50
43 / 50
44 / 50
45 / 50
46 / 50
47 / 50
48 / 50
49 / 50
50 / 50
The sample mean X- is an example of a: ________________
Restart quiz
Rate this quiz