F24 Unit 6 Exam

Front

What is the range in statistics?

Back

The range is the difference between the highest and lowest values in a data set.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

How do you calculate the range of a set of heights: 158cm, 172cm, 164cm, 164cm, 167cm, 159cm?

Back

Range = Highest value - Lowest value = 172cm - 158cm = 14cm.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

What is the interquartile range (IQR)?

Back

The IQR is the difference between the first quartile (Q1) and the third quartile (Q3) in a data set.

Tags

CCSS.6.SP.B.5C

Front

What does a standard deviation measure?

Back

Standard deviation measures the amount of variation or dispersion in a set of values.

Front

What is a population in statistics?

Back

A population is the entire collection or group of individuals being studied.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a sample in statistics?

Back

A sample is a subset of a population used to represent the whole.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a parameter in statistics?

Back

A parameter is a numerical characteristic of a population, such as a mean or standard deviation.

Tags

CCSS.HSS.IC.B.3

Front

What is a statistic in statistics?

Back

A statistic is a numerical characteristic of a sample, such as a sample mean.

Front

How do you find the mean of a data set?

Back

The mean is calculated by adding all the values together and dividing by the number of values.

Tags

CCSS.6.SP.B.5C

Front

What is the formula for calculating variance?

Back

Variance = (Σ(x - mean)²) / N, where x is each value, mean is the average, and N is the number of values.