Statistics (Measures of Central Tendency and Dispersion)

Which of the following has this formula?

• Weighted Mean

• Mean

  (Grouped data)

• Mean

  (Ungrouped data)

• Median

  (grouped data)

Which of the following is the formula of mean (ungrouped data)?

• 
• 
• 
• 

1,1,1,4,4,5,5,5,2,2,6,6. Based on the given data, what is the type of mode?

• No mode

• Unimodal

• Multimodal

• Bimodal

<cf  :  Less than cumulative succeeding the median class

• True

• False

Compute Lower Class Boundary (LBMd) by adding 0.5 on the Lower-class boundary containing the median class.

• True

• False

Which of the following is the formula of median (grouped data)

• 
• 
• 
• 

The first step in locating the mode of a grouped data is by finding the class with highest frequency.

• True

• False

Grouped Data - A set or array of things or observation that has not undergone any classification.

• True

• False

A measure of central tendency is a summary statistic that represents the center point or typical value of a dataset.

• True

• False

Based on the given data, which class has the highest frequency?

• 21-23

• 24-26

• 30-32

• 33-35