WorksheetsQUIZ STATISTICS PART 2
Total questions: 10
Worksheet time: 5mins
A ________________ refers to the people in your study whereas a ___________ refers to a distinct group of people
Participant, population
Sample, population
Population, sample
Participant, sample
Consider the following data set 14, 23, 9, 12, 21, 18, 8. What is the range?
10
10.5-19.5
9 to 21
15
Under what circumstances should we be cautions about using the mean as a measure of central tendency?
When the data is negatively skewed
When the data is skewed
When data is positively skewed
When data is normal
Which of the following provide a measure of central tendency for the data?
Standard deviation
Mean
Variance
Range
A numerical value used as a summary measure for a sample such as sample mean is known as a
Population parameter
Sample parameter
Sample statistic
Population mean
The difference between the largest and the smallest data values is called
Variance
Interquartile range
Range
Standard deviation
Which of the following symbols represents the size of the sample?
2
x
N
n
Which of the following is not a measure of dispersion?
Range
Variance
Standard deviation
Median
Which of the following graph can be used to represent qualitative data?
Pie chart
Ogive
Frequency polygon
Histogram
Statistics are used in ________________
In education
In government
In science
All of above
