Samples & Populations - 1st Hour

_______ is a part of a group being surveyed.

• Sample
• Population
• Random Sample
• Quartile

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

_________ is a sample in which each individual or object in the entire population has na equal chance of being selected.

• Sample
• Population
• Random Sample
• Quartile

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

CCSS.7.SP.B.4

_______ is the entire group of objects or individuals considered for a survey.

• Sample
• Population
• Random Sample
• Quartile

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

A sample of students is taken from the school's A honor roll. The school estimates that there are actually 360 students on the A honor roll. Using this sample from the table, how many students on the A honor roll are 8th graders?

• 126 8th graders

• 280 8th graders

• 172 8th graders

• 114 8th graders

A sample of students is taken from the school's A honor roll. The school estimates that there are actually 360 students on the A honor roll. Using this sample from the table, how many students on the honor roll are 7th graders?

• 112 7th graders

• 99 7th graders

• 87 7th graders

• 103 7th graders

A new restaurant in town is surveying residents to determine how much they typically pay for a meal out. Which of the following best describes a random sample?

• They go door-to-door in a nearby neighborhood.

• They randomly select 50 residents of a local nursing home.

• They call 200 randomly selected town residents.

• They ask customers if the price was reasonable.

The elementary school cafeteria is considering changing the menu from pizza to sub sandwiches. Which of the following best describes a random sample?

• All the students in Mrs. Spencer's class are surveyed.

• Twenty randomly selected fifth graders are surveyed.

• Fifty randomly selected staff members are surveyed.

• Fifty students' names are drawn from a hat.

A video company randomly selected 100 of its subscribers and asked them how many hours of shows they watch per week. Of those surveyed, 45 watch more than 10 hours per week. Based on the data, if the company has 2,500 subscribers, then how many watch more than 10 hours per week?

• 400

• 1,125

• 1,400

• 800

A sample of students is taken from the school's A honor roll. What percent of students on the A honor roll are from 7th grade?

• 27.5%

• 35%

• 37.5%

• 11%

I survey a senior citizen center to gain information about the population of NE Oklahoma. Which of the following best describes my population sample?

• Biased, sample is randomly taken or representative of population.

• Biased, sample is not randomly taken or representative of population.

• Representative, sample is randomly taken & representative of population.

• Representative, sample is not randomly taken or biased in terms the of population.

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2