What is an example of a measurement that can be accurately analysed using a ratio scale?

• A) Evaluating customer satisfaction as satisfied or dissatisfied
• B) Rating movies on a scale of 1 to 5 stars
• C) Categorizing fruits into types
• D) Measuring the length of a race track

The number of times a data value occurs is called _____________.

• A) median
• B) frequency
• C) mean
• D) mode

If the minimum and maximum values for the given data is same then the mean would be ___________ value.

• A) average
• B) zero
• C) minimum
• D) maximum

What scientific discipline focuses on drawing conclusions about various phenomena based on real data collected on a sample basis?

• A) None of these
• B) Probability theory
• C) Mathematics
• D) Statistics

The __________ of each class is obtained by adding the sum of the two limits of the class and dividing by 2.

• A) median
• B) mid-point
• C) class boundary
• D) mode

In statistics, the difference between observed and true value is called......

• A) error of measurement
• B) random error
• C) mistake
• D) systematic error

${\text{In}}\,{\text{the}}\,{\text{given}}\,{\text{formula}}\,{\text{ }}\hat X = l + \frac{{{f_m} - {f_1}}}{{({f_m} - {f_1}) + ({f_m} - {f_2})}} \times h,{\text{ }}{f_2} = \_\_\_\_\_\_\_\_\_\_.$

• A) frequency of the class following the modal class
• B) frequency of the class preceding the modal class
• C) cumulative frequency
• D) frequency of the modal class

A pie chart consists of a ………

• A) rectangle
• B) square
• C) triangle
• D) circle

The measure of central tendency which takes into account every value in the series is __________.

• A) mode
• B) median
• C) range
• D) arithmetic mean

The height of a student is 60 inches. This is an example of .....

• A) qualitative data
• B) categorial data
• C) continuous data
• D) discrete data

In a multiple bar chart comparing the sales performance of two products across different regions, how are the bars typically arranged?

• A) Vertically, with each product represented by a different colour
• B) In a circular fashion, with each region represented by a different colour
• C) Vertically, with each product represented by the same colour
• D) Diagonally, with each product intersecting each region

A ___________ variable is one that can take only a discrete set of integers or whole numbers.

• A) continuous
• B) qualitative
• C) nominal
• D) discrete

In Univariate situation we have to deal with .....

• A) two variables
• B) three variables
• C) single variable
• D) no variable

Which example best illustrates the use of an ordinal scale?

• A) Ranking students' performance as excellent, good, fair, or poor
• B) Measuring the temperature of different liquids
• C) Measuring the length of a table in meters
• D) Classifying students based on their favourite subject

Ranking scale also includes the properties of ....

• A) Interval Scale
• B) Ratio Scale
• C) None of these
• D) Nominal Scale

${\text{If}}\,\sum {fX} = 340\,\,{\text{and}}\,\,\,\sum f = 20\,\,\,{\text{then}}\,\,\bar X = \_\_\_\_\_\_\_\_\_\_.$

• A) 7800
• B) 360
• C) 17
• D) 320

In a pie chart, the entire pie (circle) represents _____________ percent of a whole.

• A) 360
• B) 100
• C) 180
• D) 80

Which one of the following is not a type of bar chart.

• A) pie
• B) simple
• C) multiple
• D) component

Component bar charts could be used when we have information available about totals and their components.

• A) true
• B) false
• C)
• D)

Technical term for number of something happens or occurs is ………

• A) Chart
• B) Frequency
• C) Polygon
• D) Histogram