When calculating the mean you

add all the numbers together and divide by the number of items

pick the one that happens the most

Gabriella’s quiz grades are shown below. 88, 92, 92, 96, 98 Gabriella scored a 20 on her sixth quiz. What effect does this score have?

The low score causes the mean to decrease.

The low score causes the median to increase.

The low score causes the median to decrease.

The low score causes the mean to increase.

A student wants to know which type of pizza the students at his high school prefer. Which option would give a unbiased, representative sample:

Asking 10 random students from each homeroom.

Asking all the students in the hot lunch line.

Asking every other student who gets off a school bus.

A city council member wanted to know how her constituents felt about a planned rezoning. She randomly selected 75 names from the city phone directory and conducted a phone survey.

The population is everyone listed in the city phone directory; the sample is the 75 people selected.

The population is residents of the city; the sample is the registered voters in the city.

The population is registered voters in the city; the sample is everyone listed in the city phone directory.

A safety inspector conducts air quality tests on a randomly selected group of 7 classrooms at an elementary school.

The population is all classrooms in the elementary school; the sample is the 7 classrooms selected.

The population is all classrooms in the district; the sample is the 7 classrooms selected.

The population is all elementary students in the school; the sample is the students in the 7 classrooms selected.

The choir director in a high school wants to know how the students in the school feel about singing. If the director selects 100 girls and 100 boys to complete a survey, which method will result in a biased sample?

The students will be selected from the choir

The students will be selected randomly throughout the school

The students will be selected on Wednesday afternoon before the choir concert

The choir director will select five students from each of the forty homerooms in the school

The bar graph shows the number of hamburgers sold at Bob’s Burger Shack. On which days were more than 80 hamburgers sold?

Tuesday, Wednesday, Thursday, and Friday

What is the modal group?

1.50 - 1.60 m and 1.60 - 1.70 m

Descriptive Statistics

Authored by Khoon Tan

Mathematics

12th Grade

CCSS covered

Used 24+ times

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65 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The candy was sour.

Qualitative Data

Quantitative Data

The bug was 5cm long.

Qualitative Data

Quantitative Data

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The flower is red.

Qualitative Data

Quantitative Data

It is cloudy outside today.

Qualitative Data

Quantitative Data

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The mass of the beaker was 122 g.

Qualitative Data

Quantitative Data

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

There are 13 boys and 14 girls in fifth period.

Qualitative Data

Quantitative Data

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Describe the shape of the graph

Bimodal

Multimodal

Uniform

Unimodal

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Descriptive Statistics

The candy was sour.

The bug was 5cm long.

The flower is red.

It is cloudy outside today.

The mass of the beaker was 122 g.

There are 13 boys and 14 girls in fifth period.

Describe the shape of the graph

Describe the shape of the graph

Describe the shape of the graph

Describe the shape of graph

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