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WorksheetsSPC - BASIC STATS
Total questions: 15
Worksheet time: 18mins
What are the two types of numerical variables
DIscrete
Continuos
Normal
Ordinal
A. White, Black, Blue
B. 1.12, 1.05, 3.21, 5.22, 1.09, 2.45
C. 1, 2, 2, 5, 4, 7, 8,9
Which of the above list comprise continuous data
A
B and C
C
B
None of the above
What are the two basic data types in statistics?
Real and Integer
Counting and Non-counting
Categorical and Numerical
All of the above
Look at the list below and indicate the type of data they comprise of:
Present, Absent, Absent, Present, Excused, Absent, Absen, Present
Categorical
Discrete
Numerical
Continuous
We can refer to the chart shown as a
Histogram
Pie Chart
Box plot
Pareto chart
Noen of the above
The diagram shows
a range plot
a line plot
a box and whisker plot
a quartile plot
101, 3, 7, 45, 25,117
The correct ranked order of the list above is
3,7,25,45,101,117
117,101,45,25,7,3
117
3
13,7,11,18,36,3,21
What is the median of the above list?
15.5
12.5
18
none of the above
13,7,11,18,36,3,21,18
What is the median of the above list,
18
13
15.5
none of the above
Given the categorical data captured, what is the correct frequency distribution table that correctly represents the data?
Given this list
27 4 28 17 22 6 31 16 8
What is the correct box and whisker plot that will represent this data set?
None of the above
Which of these 2 histograms do you think represents data with the bigger variance?
B
A
They are the same
There is no variance to speak of here
The variance is given by the equation as shown. The population standard deviation is given by
S
S2
S
None of the above
S2=∑n(xi−x)2 is the equation for variance for a population. Which of the following is closest to the standard deviation of the list given below3.2, 7.8, 1.5, 2.0
4.7
3.2
2.49
3.7
Given the sum of squares (S.S.) of these three values
0.11
0.22
0.08
0.091
0,067
0.788
0.0017
