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

How are the observations within each class typically treated when calculating the approximate mean in grouped data?

• A) They are ignored due to the loss of identity in grouped data
• B) They are assumed to be equal to the upper limit of the class interval
• C) They are assumed to be identical to the midpoint of the class interval
• D) They are assumed to be equal to the lower limit of the class interval

The component bar chart is also known as the _______________ bar chart.

• A) simple
• B) horizontal
• C) subdivided
• D) multiple

Statistics is a numerical quantity which is calculated from ........

• A) sample
• B) observation
• C) population
• D) data

The __________ is used when we cannot give equal weight to each value.

• A) harmonic mean
• B) arithmetic mean
• C) median
• D) weighted mean

In ......bar chart,the basis of comparison is one dimensional.

• A) all of these
• B) simple
• C) Component
• D) multiple

If we have available to us information regarding totals and their components then the ______________ bar chart should be used.

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

The performance of players is rated as excellent, good, fair or poor is an example of the __________ scale.

• A) interval
• B) nominal
• C) ratio
• D) ordinal

In a pie chart, the slices (sectors) of the pie represent portions of the ______________.

• A) whole
• B) three quarters
• C) quarter
• D) half

What characterizes a bi-modal frequency distribution?

• A) It has a one mode
• B) It has a symmetric shape
• C) It has two modes
• D) It has no distinct mode