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STA 117
STA 117
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STA 117 for 100 lvl #higher_education #science
Flashcards
40 cards
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Questions
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Answers
1
A distribution having a relatively low peak is called?
Mesokurtic
Platykurtic
Neokurtic
Leptokurtic
2
A FUT students CGPA is _______ data ?
Interval
Ordinal
Ratio
Nominal
3
Evaluate the median of the following 18, 10, 15, 13, 17, 15, 12, 15, 18, 16, 11
13
15
14
16
4
Which of the following is not a measure of central tendency
Range
Median
Mode
Mean
5
The degree of asymmetry of departure from the symmetry of a distribution is
Digression
Skewness
Skirt is is
Kurtosis
6
In a class of 120 students , 18 of them scored A grade , what is the angle on the pie chart representing the A grade
46
54
30
45
7
A candidate jamb score is an ______ data?
Interval
Ratio
Ordinal
Nominal
8
Observation that cannot be measured on a naturally occurring scale but can be classified into groups and categories are?
Infinite
Quantitative
Finite
Qualitative
9
The sampling design used when the population is homogeneous, fairly small and complete is called?
Quota
Simple random
Systematic
Cluster
10
Statistics is a natural science subject?
True
False
11
A bimodal frequency has ?
A maxima and a minima
Two maxima
Half maxima
12
Given the following class intervals 50.00-59.99, 60.00-69.999, 70.00-79.999 the class Marley of the second class in. is?
54.995
79.95
64.995
59.65
13
The set of all units or objects in a popular area of interest is
Population
Sample space
Sample
Census
14
Raw data are collected data which have ____numerically
been graphed
not been organized
been presented
been organized
15
The following are methods of data collection except?
Graph
Survey
Questionnaire
Interviews
16
Range is a measure of dispersion?
True
False
17
Dot plot,Stem and leaf and histogram can all be used to represent only
Primary
Secondary
Qualitative data
Quantitative data
18
The measurement of temperature is _____ data?
Ratio
Nominal
Ordinal
Interval
19
Statistical data obtained from published sources are called?
Published
Subsidiary
Secondary
Primary
20
Which of the following is an example of nominal data
Health condition
Shoe brand
Rank in the army
Home town
21
There are three methods of calculating arithmetic mean?
False
True
22
Experimental data is always?
Quantitative
Qualitative
Secondary
Primary
23
The rate of accident is ___ data?
Interval
Ordinal
Nominal
Ratio
24
The approached used when information is required on every member of the population of interest is?
Census
Questionnaire
Sample frame
25
In systematic sampling if x = 8 and k = 5 the next four numbers are?
13, 21, 29, 38
13, 18, 23, 28
40, 80, 160, 200
8 , 13, 18, 23
26
The iPhone series is an example of _____ data?
Interval
Ordinal
Ratio
Nominal
27
The chart that contains a number of equally spaced rectangles is called?
Histogram
Polygon
Simple bar chart
Pie chart
28
Who set this quiz🤔?
Emeka
Gideon
Yusuf
Ayo
29
A partition of the population is called?
Census
Sample
Sample space
Quota
30
________ statistics is concerned with the processing, summarization, conclusion and presentation of data.
Inferential
Tabular
Inductive
Descriptive
31
A line graph of class frequencies plotted against class intervals is called
Frequency interval
Frequency histogram
Frequency curve
Frequency polygon
32
Which of the following is true for a uni modal frequency curve
Mean - mode = 3( mean - median)
Mean - median = mode
Mean - mode = me Asian
Mean.Mode = 3 median
33
The departments in SEET are _______ data?
Interval
Ordinal
Ratio
Nominal
34
Marks scored by some students in the arithmetic test are 5, 3, 6, 9, 4, 7, 8, 6, 2, 7,8,4,5,2,1,0,6,9,0,8 the mean is?
6
8
5
9
35
The mean of twelve positive numbers is 3 when and number is added it becomes 5 what is the 13th number?
24
29
25
26
36
The death rate is a ______ data?
Ratio
Interval
Ordinal
Nominal
37
Find the harmonic and geometric mean of 2,4 and 8
3 and 34.3
4 and 3.43
3.43 and 4
34.3 and 8
38
We have only two types of mean?
True
False
39
Statistical _________ refers to the quantitative aspects of things
State
Data
Numbers
Method
40
__________ is the science of decision taking in the face of uncertainty
Technology
Statistics
Probability
Survey
