Statistic Quiz

Calculate the mean of the scores of 20 students in a mathematics test35

• 30

• 20

• 35

• 40

The abscissa of the point if intersection of the less than type and more than type O-give curves of a grouped data gives its

• Mean

• Median

• Mode

• All of these

For the following distribution, the sum of lower limits of the median class and modal class is

• 15

• 25

• 30

• 35

Consider the following frequency distribution table,

The upper limit of the median class is

• 7

• 17.5

• 18

• 18.5

a question that can be answered by collecting data that vary.

• Quartiles

• Statistical Questions

• Box Plot

The modal class is..

• 10-20

• 20-30

• 30-40

• 40-50

Calculate the mean of the following data

• 5.5

• 15

• 7

• 10

The method to calculate mean using this formula is called..

• Direct method

• Assumed mean method

• Step-deviation method

• Alternate method

What is the main purpose of a line graph?

• to compare two things

• to show trends over time

• to have an independent variable

• so you don't have to read words

What is the name of this graph?

• line plot

• line graph

• bar graph

• frequency table