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Grade 7 Collecting and Interpreting Data
The temperature increased 4 degrees in 1 hour
1. qualitative data
2. quantitative data
Grade 7 Collecting and Interpreting Data
Sprinters run faster than distance runners
1. qualitative data
2. quantitative data
Grade 7 Collecting and Interpreting Data
The volume of the mixture is 43 mL
1. qualitative data
2. quantitative observation
Grade 7 Collecting and Interpreting Data CCSS: 7.SP.A.2
A team of astronomers are trying to find out the number of red giant stars in a certain constellation. Which number of samples will give them the most accurate results?
1. 4 samples from areas outside the constellation
2. 4 samples from the areas with the most stars
3. 4 samples from random parts of the constellation
4. 4 samples from the areas with the least stars
Grade 7 Collecting and Interpreting Data
The cake recipe requires 3 cups of flour
1. qualitative data
2. quantitative data
Grade 7 Collecting and Interpreting Data
More students play trumpet than play saxophone
1. qualitative data
2. quantitative data
Grade 7 Collecting and Interpreting Data
The majority of students enjoy recess
1. qualitative data
2. quantitative data
Grade 7 Collecting and Interpreting Data CCSS: 7.SP.A.2
A scientist wants to find the pH of a lake. What number of samples will provide him with the most accurate estimate of the lake's pH?
1. One sample from a random part of the lake
2. Two samples from opposite ends of the lake
3. One sample from the middle of the lake
4. Six sample takes from random parts of the lake
Grade 7 Collecting and Interpreting Data CCSS: 7.SP.A.1
A local newspaper of a small town wants to find out if the mayor of the town is popular with its citizens. Which of the following samples should be used by the newspaper?
1. random sample of people from the mayor's political party
2. a random sample of people selected from all adult citizens of the town
3. a random sample of people selected from all people registered with a political party
4. a random sample of people selected from all middle class citizens of the town
Grade 7 Collecting and Interpreting Data
The median of the upper half of a set of numbers, indicated by UQ.
1. Interval
2. Leaf
3. Mode
4. Stem-and-Leaf Plot
5. Upper Extreme
6. Upper Quartile
Grade 7 Collecting and Interpreting Data CCSS: 7.SP.A.1
A college wants to find out what the students think of the courses it offers. Which of the samples below will result in the most accurate representation of the general student opinion?
1. 60 students currently taking advanced medical courses
2. 60 students currently in their last year of college
3. 60 students selected using simple random sampling
4. 60 students currently taking engineering courses
Grade 7 Collecting and Interpreting Data CCSS: 7.SP.A.1
A store owner is considering extending the hours the store is open each day. He conducts a survey to determine if longer hours would be worth the expense. Which survey method would likely produce the most representative sample?
1. choose 20 random customers from the neighborhood
2. choose 20 full time employees from the store
3. choose the 20 customers who spend the most money in one week
4. choose the first 20 customers that come in one morning
Grade 7 Collecting and Interpreting Data CCSS: 7.SP.B.3
Line plots for two sets of data are shown.

Which statement is true for the two sets of data?
1. both have the same range
2. both have the same mean
3. both have the same median
4. none of the above
Grade 7 Collecting and Interpreting Data CCSS: 7.SP.A.1
Grade 7 Collecting and Interpreting Data CCSS: 7.SP.A.1
A political party is trying to find out which candidate in an election currently has the most support from the general American population. Which of the following samples is likely to be the most biased?
1. A sample of 2000 people from the southern states
2. A sample of 2000 people of a candidate's home city
3. A sample of 2000 people from the west coast
4. A sample of 2000 people from all over the United States
Grade 7 Collecting and Interpreting Data CCSS: 7.SP.A.1
A student is trying to find out the general student opinion of a school's English course. Which of the following samples is likely to be the least biased?
1. 20 students currently taking English
2. 20 students who are not taking English
3. 20 students fill out a voluntary response form
4. 20 students selected at random
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