Measures of Central Tendency Vocab

_______ is a chracteristic or measure obtained by using data values from a sample?

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

A _________ is a characteristic or measure obtained by using all the data values from a specific population.

• statistic

• parameter

• data

• Frequency

The sum of all values is indicated by what Greek letter?

• Χ

• Σ

• X_m

• μ

 $\frac{\Sigma X}{n}\$  represents which of the following? 

• Sample mean

• Population mean

• Grouped Data mean

•  $\mu$  

When dealing with measures of central tendency - μ - symbol represents what?

• Sample

• Population

• Sample Mean

• Population Mean

• Grouped Data Mean

X_m represents which of the following?

• Sample Mean

• Population Mean

• The summation of the values

• Frequency

• Midpoint

Tags

CCSS.HSS.ID.A.4

CCSS.HSS.MD.A.2

CCSS.HSS.MD.A.3

 $\frac{\Sigma f\cdot X_m}{n}$       This formula is used to calculate which of the following?

• Sample Mean

• Population Mean

• Grouped Data Mean

• Midrange

Tags

CCSS.HSS.MD.A.3

 $\frac{\Sigma X}{N}$      is used to calculate what measure of central tendency? 

What is the symbol or abbreviation for median?

Tags

CCSS.7.SP.B.4

What is the symbol or abbreviation for midrange?

Tags

CCSS.7.SP.B.4