Chapter 1 Stats Review

Ski resorts are interested in the mean age that children take their first ski and snowboard lessons. They need this information to plan their ski classes optimally. What is the population?

• The population is all of the children taking skiing or snowboarding lessons.

• The population is all of the people taking skiing or snowboarding lessons on a given day.

• The population is all of the children taking skiing or snowboarding lessons on a given day.

• The population is all of the people taking skiing or snowboarding lessons.

Tags

CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

Ski resorts are interested in the mean age that children take their first ski and snowboard lessons. They need this information to plan their ski classes optimally. What is the sample?

• The sample is a group of the people taking skiing or snowboarding lessons.

• The sample is a group of the children taking skiing or snowboarding lessons.

• The sample is all of the children taking skiing or snowboarding lessons.

• The sample is all of the people taking skiing or snowboarding lessons.

Tags

CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

Ski resorts are interested in the mean age that children take their first ski and snowboard lessons. They need this information to plan their ski classes optimally. What is the parameter?

• The parameter is the average age of all people taking skiing or snowboarding lessons.

• The parameter is the average age of all children when they take their first skiing or snowboarding lesson.

• The parameter is the ages of everyone at the ski resort.

• The parameter is the average age of all children taking skiing or snowboarding lessons on a given day.

Tags

CCSS.HSS.IC.B.3

Ski resorts are interested in the mean age that children take their first ski and snowboard lessons. They need this information to plan their ski classes optimally. What is the statistic?

• The statistic is the average age of a group of children taking their first skiing or snowboarding lesson.

• The statistic is the ages of all children taking skiing or snowboarding lessons.

• The statistic is the average age of a group of people taking their first skiing or snowboarding lesson.

• The statistic is the average age of all people taking their first skiing or snowboarding lesson.

Tags

CCSS.6.SP.B.5B

Ski resorts are interested in the mean age that children take their first ski and snowboard lessons. They need this information to plan their ski classes optimally. What is the variable?

• The variable is the age of each child when he or she takes his or her first skiing or snowboarding lesson.

• The variable is the number of children taking skiing or snowboarding lessons.

• The variable is the age of everyone taking a skiing or snowboarding lesson for the first time.

• The variable is the number of ski or snowboarding lessons offered at the skiing resort.

Tags

CCSS.6.SP.B.5B

Ski resorts are interested in the mean age that children take their first ski and snowboard lessons. They need this information to plan their ski classes optimally. What is the data?

• Examples: 9 children, 11 children, 15 children

• Examples: 3 years old, 4 years old, 8 years old

• Examples: 1 hour, 3 hours, 4 hours

• Examples: 2 lessons, 3 lessons, 5 lessons

Tags

CCSS.6.SP.B.5A

Identify the type of data that would be used to describe a favorite baseball team.

• quantitative discrete

• quantitative continuous

• qualitative

Identify the type of data that would be used to describe a most-watched television show

• quantitative discrete

• quantitative continuous

• qualitative

Suppose you want to determine the mean number of students per class in the schools in Crawford County. Describe a possible sampling method in three to five complete sentences. Make the description detailed.

A study was done to determine the age, number of times per week, and the duration (amount of time) of residents using a local park in San Jose. The first house in the neighborhood around the park was selected randomly and then every eighth house in the neighborhood around the park was interviewed. What sampling method was used?

• simple random

• systematic

• cluster

• stratified

Tags

CCSS.HSS.IC.B.3