Statistics

Who use the German word Statistik for the first time?

• John Graunt

• William Patty

• Gottfried Achen Wall

• Gauss

Who was the founder of mathematical statistics?

• Karl Pearson

• Laplace

• Mahalanobis

• Gosset

Which method will be costly when the number of respondent are more and spread over the large area?

• Questionnaire by Post

• Indirect inquiry

• Direct inquiry

• By telephone

Range of Ungrouped data is 55 and it divided into 6 classes. Then, what is the class length?

• 10

• 9

• 9.17

• 10.17

Which of the following diagram is used for comparing the sub - data of the classified data?

• Pictogram

• Pie chart

• Bar Diagram

• Divided Bar Diagram

Which of the following variable is continuous?

• Number of errors per page of a Book

• Number of cars produced

• Number of accident on a road

• Monthly income of a person

What is the mode of the observation 7,9,9,1,7,9,4,9,1

• 1

• 4

• 7

• 9

If the mean of 10 observation is 15, what is the sum of the observation?

• 25

• 150

• 5

• 1.5

Which average gets most affected by two large or two small values?

• Arithmetic mean

• Median

• Mode

• Geometric Mean

Which of the following will give us the value of median?

• D7

• Q1

• P45

• P50