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Common Core Grade 6

More Grade 6 Lessons

Examples, videos, solutions, and lessons to help Grade 6 students learn how to recognize a statistical question as one that anticipates variability in the data related to the question and accounts for it in the answers.

For example, “How old am I?” is not a statistical question, but “How old are the students in my school?” is a statistical question because one anticipates variability in students’ ages.

Common Core: 6.SP.1

### Suggested Learning Targets

• I can recognize that data has variability.

• I can recognize a statistical question (examples versus non-examples).

**6.SP.1 statistical vs. non-statistical questions**

The following table gives some examples of statistical questions and non-statistical questions. Scroll down the page for more examples and solutions.

A statistical question is a question that should have different answers.

How to recognize a statistical question?

• A question is not a statistical question if it has an exact answer. For example "How old are you?"

• A question is a statistical question if the answer is a percent, range, or an average. For example "How old are the students in this room"

Examples:

1. Identify which questions are statistical and which questions are not statistical.

• What is the favorite menu item for customers in the local restaurant?

• What time do most people eat their lunches?

• What did my dad eat for lunch today?

• What do 7th graders prefer to eat for lunch?

2. In a survey about practice time per week for high school athletes, 22% practice 1 hour, 40% practice 2 hours, 25% practice 3 hours, 10% practice 4 hours and 3% practice more than 4 hours.

Which one question is the most likely to have produced these results?

• What is the average practice time per week required by your sport?

• How much time do you spend doing homework during the week?

• Is practice time longer on Mondays than Tuesdays?

• Which sport practices the most?

3. Jessica conducted a survey using a representative sample of 50 customers from three local landscaping businesses in town. She found that 30% purchased maple trees, 24% purchased dogwoods, 20% purchased oaks, 16% purchased pines and 10% chose other types of trees.

Which statements about the survey that Jessica conducted are most likely to be true? Select all that apply.

• Jessica surveyed only the customers who purchased a tree.

• Jessica asked customers what type of tree they purchased.

• Jessica asked customers what type of plants they have in their yards.

• The sample consists of 50 customers from three local landscaping businesses in town.

• The population Jessica wants to know about consists of any customer of any landscaping business.**What is a Statistical Question?**

Definition: A statistical question has answers that will probably vary. Usually a statistical question will ask about a population of multiple people, events or things.

**Examples of statistical questions**

• What time did the students in this class get up this morning?

• How many votes did the winning candidate for the Presidents of the Student Body receive in each of the past 20 years?

• What were the high temperatures in all of the Latin American capitals today?

**Examples of not statistical questions.**

• What time did I get up this morning?

• How many votes did the winning candidate for the Student Body receive this year?

• What was the high temperature in Mexico City today?

**Statistical and non statistical questions**

Examples:

Which of the following are statistical questions?

• How old are the people who have watched this video in 2013?

• Do dogs run faster than cats?

• Do wolves weigh more than dogs?

• Does your dog weigh more than that wolf?

• Does it rain more in Seattle than Singapore?

• What was the difference in rainfall between Singapore and Seattle in 2013?

• In general, will I use less gas driving at 55 mph than 70 mph?

• Do English professors get paid less than math professors?

• Does the most highly paid English professor at Harvard get paid more that the most highly paid math professor in MIT?**Statistical Questions - Common Core Standard**

Students must know variability refers to the spread of data.

Common Core Grade 6

More Grade 6 Lessons

Examples, videos, solutions, and lessons to help Grade 6 students learn how to recognize a statistical question as one that anticipates variability in the data related to the question and accounts for it in the answers.

For example, “How old am I?” is not a statistical question, but “How old are the students in my school?” is a statistical question because one anticipates variability in students’ ages.

Common Core: 6.SP.1

• I can recognize a statistical question (examples versus non-examples).

The following table gives some examples of statistical questions and non-statistical questions. Scroll down the page for more examples and solutions.

A statistical question is a question that should have different answers.

How to recognize a statistical question?

• A question is not a statistical question if it has an exact answer. For example "How old are you?"

• A question is a statistical question if the answer is a percent, range, or an average. For example "How old are the students in this room"

1. Identify which questions are statistical and which questions are not statistical.

• What is the favorite menu item for customers in the local restaurant?

• What time do most people eat their lunches?

• What did my dad eat for lunch today?

• What do 7th graders prefer to eat for lunch?

2. In a survey about practice time per week for high school athletes, 22% practice 1 hour, 40% practice 2 hours, 25% practice 3 hours, 10% practice 4 hours and 3% practice more than 4 hours.

Which one question is the most likely to have produced these results?

• What is the average practice time per week required by your sport?

• How much time do you spend doing homework during the week?

• Is practice time longer on Mondays than Tuesdays?

• Which sport practices the most?

3. Jessica conducted a survey using a representative sample of 50 customers from three local landscaping businesses in town. She found that 30% purchased maple trees, 24% purchased dogwoods, 20% purchased oaks, 16% purchased pines and 10% chose other types of trees.

Which statements about the survey that Jessica conducted are most likely to be true? Select all that apply.

• Jessica surveyed only the customers who purchased a tree.

• Jessica asked customers what type of tree they purchased.

• Jessica asked customers what type of plants they have in their yards.

• The sample consists of 50 customers from three local landscaping businesses in town.

• The population Jessica wants to know about consists of any customer of any landscaping business.

Definition: A statistical question has answers that will probably vary. Usually a statistical question will ask about a population of multiple people, events or things.

• What time did the students in this class get up this morning?

• How many votes did the winning candidate for the Presidents of the Student Body receive in each of the past 20 years?

• What were the high temperatures in all of the Latin American capitals today?

• What time did I get up this morning?

• How many votes did the winning candidate for the Student Body receive this year?

• What was the high temperature in Mexico City today?

Examples:

Which of the following are statistical questions?

• How old are the people who have watched this video in 2013?

• Do dogs run faster than cats?

• Do wolves weigh more than dogs?

• Does your dog weigh more than that wolf?

• Does it rain more in Seattle than Singapore?

• What was the difference in rainfall between Singapore and Seattle in 2013?

• In general, will I use less gas driving at 55 mph than 70 mph?

• Do English professors get paid less than math professors?

• Does the most highly paid English professor at Harvard get paid more that the most highly paid math professor in MIT?

Students must know variability refers to the spread of data.

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