How many students are represented by the histogram?

The histogram displays the number of hours of TV watched last week? How would you describe the shape of his distribution?

Emily is making a histogram for the data:

12, 94, 61, 24, 77, 36, 56, 83, 7, 34, 45, 75, 86, 42, 91, 78, and 96. She wants to make 10 intervals. What should the interval width be?

For how many weeks was the data collected?

Rank the data in order from least to greatest.

How many students were surveyed to collect this data?

How many baseball teams scored 0 runs per inning?

Rank the data in order from least to greatest.

For how many weeks did it rain all 7 days?

How many students have 3 pets?

What is the relative frequency of the number of students that have visited California?

Sporting Illustrated collects data on its readers by asking them to fill out and send in a survey from the June issue.

A farmer subdivides his apple orchard into 50 subsections and selects the five subsections closest to his barn to sample all the trees.

What sampling method are you using if you survey the students in the school whose names are picked out of a hat?

You assign the students in your class a number and choose 6 numbers from a basket. What sampling method are you using?

Karla is doing a study to see what the town thinks of the new grocery store. She chooses a convenience sample. She

asks 13 people from the town who go to the new grocery store. Is there bias in her sample?

Elise, a supermarket employee, approached 50 random customers and asked whether they would be willing to discuss what they like most about the store. She interviewed the 22 who said yes. Is this sample of the supermarket's customers likely to be biased?

A company wants to know the opinion of a rural community on a proposed ballot initiative. Half of the community does not have internet access, so the company sends emails to the 380 members that do have internet access. Of those surveyed, 372 of the community members responded to the survey. Which of the following is the most significant source of bias in the survey?

A radio station is discussing a controversial policy enacted by the local police department. They poll listeners by having them call in to the radio station. Which of the following is the most significant source of bias?

Student were asked what their favorite foods were, they were given 4 options( Pizza, Spaghetti, Tacos, or Chicken). All students answered the survey and 50% of the students chose Pizza. What type of sampling bias does this question have?

Kohls wants to determine if their pricing seems unreasonable. They give each customer, whether online or in person, a survey asking " What do you think of our pricing here at Kohls" After 1 week, 500 people were given the survey and only 143 answered it, 70% of the respondents thought the prices were unreasonable.

Lets say, you want to know random people’s view on the current President. You decide to go to a polling office, and pose the question to everyone “Most people have been saying this President has been doing a horrible job, how do you personally feel about the President”

Let’s say you conduct a survey about the customer service in your business. You decide to mail out surveys to everyone who owns a store card with your business. The question is as follows “ How would you describe our customer service?”