MCQ Bank
The median of the numbers 2, 4, 7, 12 is….
- A) 4
- B) 5.5
- C) 7
- D) 4.5
The mode of the data 6, 6, 9, 9, 9, 10, 11 11, 15, 18 is....
- A) 6
- B) 15
- C) 9
- D) 11
Qualitative data can be further classified in to discrete and continuous.
- A) True
- B) False
- C)
- D)
For constructing a bivariate frequency table, _____________ variable (s) is (are) required.
- A) only two
- B) only one
- C) may be one
- D) may or may not be two
In the _______ scale the ratio 10/7 has no meaning.
- A) interval
- B) nominal
- C) ordinal
- D) ratio
A bivariate distribution can be represented by using a ........
- A) Simple bar chart
- B) line graph
- C) component bar chart
- D) none of these
The heights (in inches) of a group of students are: 65, 72, 60, 68, 70, 62. What is the median height?
- A) 65.5
- B) 66.5
- C) 68.5
- D) 70.5
An absolute error divided by the true value is called the __________ error.
- A) ordinal
- B) relative
- C) mean
- D) true
How are the values of a continuous variable distributed within its domain?
- A) They are randomly distributed.
- B) They are concentrated around a central value.
- C) They are evenly distributed on the real line without gaps.
- D) They are distributed at specific, distinct points.
The characteristic such as, satisfaction is an example of __________ variable.
- A) discrete
- B) quantitative
- C) qualitative
- D) continuous
Which of the following statements accurately describes the median?
- A) It is the difference between the highest and lowest values in the dataset.
- B) It is the middle value when the data points are arranged in ascending or descending order.
- C) It is the arithmetic average of all values in the dataset.
- D) It is the value that appears most frequently in the dataset.
If 10% of 100 apples, 12% of 100 oranges, and 8% of 100 bananas are rotten, what percentage of fruits is rotten overall?
- A) 5
- B) 20
- C) 15
- D) 10
${\text{If}}\,\,\sum {f\,x = 1135.5\,\,{\text{and}}\,\,\sum {f\, = \,30\,\,{\text{then}}\,\,{\text{the}}\,\,{\text{weighted}}\,\,{\text{mean}}\,\,\_\_\_\_\_\_\_\_\_.} \,\,\,}$
- A) 37.85
- B) 35.89
- C) 38.60
- D) 39.50
The assumption that all the values falling in a class are equal to the mid-point of the class interval is known as __________.
- A) relative error
- B) grouping error
- C) absolute error
- D) true error
If a multiple bar chart displays the monthly revenue of two companies over a year, how are the bars typically grouped?
- A) By year, with each company's revenue adjacent to each other
- B) By company, with each month's revenue adjacent to each other
- C) By month, with each company's revenue adjacent to each other
- D) By quarter, with each company's revenue adjacent to each other
If the number of data elements is 10 and mean of the data is 50 then the sum of the data elements will be.....
- A) 140
- B) 145
- C) 150
- D) 130
A component bar chart is used to represent data in which the total size is _____________ into different or components.
- A) added
- B) divided
- C) subtracted
- D) multiplied
If 5% of 600 students are absent on Monday, 12% on Tuesday, and 15% on Wednesday, how many students are absent on Tuesday?
- A) 72
- B) 90
- C) 30
- D) 100
In a dataset of exam scores, if the median is 75, what does this imply?
- A) 45% of the students scored higher than 75.
- B) 75% of the students scored higher than 75.
- C) 50% of the students scored higher than 75.
- D) 65% of the students scored higher than 75.
The median and mode of 2, 2, 5, 5, 5, 5, 6, 7, 9 is __________.
- A) 5
- B) 6
- C) 2
- D) 5.5