If a pie chart represents the distribution of fruit preferences among 200 people, and 20 of them prefer apples, what angle would the sector representing apples have?

• A) 38 degrees
• B) 40 degrees
• C) 24 degrees
• D) 36 degrees

The grouping error is small for the __________.

• A) geometric mean
• B) mean deviation
• C) harmonic mean
• D) arithmetic mean

If the frequency distribution contains ....mode/modes then it is called bi modal distribution.

• A) exactly one
• B) two
• C) three
• D) four

If no. of students from category A=719 and from category B=481 and total no. of students is 1200 then percentage of students of Category B =…….

• A) (481/1200)*100
• B) 481+1200/100
• C) (719/481)*1200
• D) (719/1200)*100

In pie chart the angle for each sector can be found by the formula=.........

• A) (cell frequency/total frequency)*280
• B) (cell frequency/total frequency)*360
• C) (cell frequency/total frequency)*450
• D) (cell frequency/total frequency)*180

If a simple bar chart displays the sales revenue of different departments in a store, how are the departments typically labelled on the chart?

• A) Along the y-axis (vertical axis)
• B) At the top of each bar
• C) In a legend positioned outside the chart area
• D) Along the x-axis (horizontal axis)

If the mean of the data is 50 and sum of the data is 450 then the number of observations in the data will be…….

• A) 11
• B) 10
• C) 9
• D) 8

In a multiple bar chart, ______________ group (s) of related data is (are) represented.

• A) two or more
• B) may or may not one
• C) one
• D) only two

An error is said to be __________ when the observed value is consistently and constantly higher or lower than the true value.

• A) un-biased
• B) random
• C) actual
• D) biased

A chracteristic that varies with an indiviual or an object is called a/an .........

• A) scale
• B) data
• C) observation
• D) variable

What is an example of a measurement that follows an interval scale?

• A) Number of students in a class
• B) Age measured in years
• C) Temperature measured in Celsius or Fahrenheit
• D) Weight measured in kilograms

If the number of terms in the data are arranged in ascending order and are even then the median of the data is ……..

• A) The average of 1st and 3rd quartiles
• B) The average of 1st and 2nd quartiles
• C) The average of smallest and largest
• D) The average of two middle terms

A circle in pie chart is divided into parts according to the .........that we have in our data.

• A) distinct categories
• B) same categories
• C)
• D)

Which scale will you use to measure the tempreature?

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

Which one of the following is not an example of discrete variable?

• A) Temperature at a place
• B) rooms in a school
• C) accidents in a year
• D) persons in a family

How is the midpoint of each class calculated in grouped data?

• A) By finding the mode of the class interval
• B) By subtracting the lower limit from the upper limit of the class
• C) By taking the average of the lower and upper limits of the class
• D) By dividing the frequency of the class by the total number of observations

The key to differentiating interval and __________ scale is that the zero point is meaningful for the __________ scale.

• A) ratio, ratio
• B) continuous, continuous
• C) nominal, ordinal
• D) ordinal, ratio

${\text{If}}\,\,\sum {wx = 2700\,\,{\text{and}}\,\,\sum {w\, = \,300\,\,{\text{then}}\,\,{\text{the}}\,\,{\text{weighted}}\,\,{\text{mean}}\,\,\_\_\_\_\_\_\_\_\_.} \,\,\,}$

• A) 5
• B) 9
• C) 11
• D) 6

Types of quantitative data are discrete and ……data

• A) Pie chart
• B) Bar chart
• C) Continuous
• D) Multiple

A simple bar chart consists of horizontal or vertical bars of _____________ width and lengths proportional to values they represent.

• A) unequal
• B) equal
• C) smaller
• D) greater