Unit 16 Review/HW: Statistical Measures (May 25, 2022)

Unit 16 Review/HW: Statistical Measures (May 25, 2022)

By KAZU HOSHINO

Review/HW for Quiz on Wednesday, May 25th

Overview/Directions

This ​review includes videos, practice problems, and answer keys. The work for each problem should be completed in a separate location (ex. paper, Notability, whiteboard). You may should use a calculator separate from your iPad.

​Due Wednesday, May 25th​

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Some text here about the topic of discussion

Multiple Choice

The _______ is the middle number, or the mean of the two middle numbers, of the ordered data in a set.

• mean

• median

• mode

• measures of center

Multiple Choice

The _______ of the data set is the sum of the data divided by the number of values in the data set.

• mean

• median

• mode

• measures of center

Multiple Choice

The median of the lower half and the median of the upper half of a data set are known as ______________.

• outliers

• quartiles

• modes

• ranges

Multiple Choice

Extremely high or low values in a data set are called _________.

• outliers

• quartiles

• modes

• ranges

Multiple Choice

The __________ is the value/s or number/s that occur most frequently in a data set.

• mode

• maximum

• mean

• IQR

Multiple Choice

The __________ is the difference between the greatest and least data values.

• minimum

• maximum

• range

• IQR

Multiple Choice

The __________ includes range, median, Q1, Q3, and IQR

• measures of center

• measures of variation

• statistical measures

• ranges of quartiles

Fill in the Blanks

In eight track meets during the season, a runner records the following times. Determine the mean, median, and mode. Enter answers in this order separated by commas.

Measures of Center - Track Meet.MP4 - Google Drive

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The dot plot shows the number of states visited by survey respondents. Determine the mode of the data.

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The dot plot shows the number of states visited by survey respondents. Determine the median of the data.

Median - Dot Plot States Visited.MP4 - Google Drive

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The dot plot shows the number of states visited by survey respondents. Determine the mean of the data. Round to the nearest hundredths.

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A student took five tests in Quarter 3. The scores on the first four tests were 87, 94, 86, and 100. If the student wants to earn a 90 average, what must they earn on the last test score?

Mean - Missing Test Score.MP4 - Google Drive

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The table shows the greatest depth of four of the five oceans in the world. If the mean greatest depth of all five oceans is 8.094 km, what is the depth of the Southern Ocean?

Mean - Missing Data Ocean Depth.MP4 - Google Drive

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Determine the measures of center. Separate with commas. Round to the nearest hundredths if necessary.

Measures of Center - Line Plot Dice.MP4 - Google Drive

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Determine the mean of the first 7 prime numbers. Round to the nearest hundredths if necessary.

Mean - First Seven Prime Numbers.MP4 - Google Drive

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PUZZLE PROBLEM

The median is 24. Identify the missing value.

1, 5, 8,

, 24, 25, 26, 26

Median - Puzzle Problem #1.MP4 - Google Drive

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PUZZLE PROBLEM

The median is 24. Identify the missing value.

1, 5, 8, 23,

, 26, 26, 31

Median - Puzzle Problem #2.MP4 - Google Drive

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PUZZLE PROBLEM

The median is 24. Identify the missing value.

1, 5, 8, 20,

, 30, 30, 31

Median - Puzzle Problem #3.MP4 - Google Drive

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PUZZLE PROBLEM

The mode is 28. Identify the missing value.

1, 5, 8, 20,

, 28, 29, 35

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PUZZLE PROBLEM

The mode is 4. Identify the missing values. Separate with commas.

1, __, __, 20, 29

Fill in the Blanks

Determine the range, median, Q1, Q3, and IQR. Separate with commas.

Measures of Variation - Number of Books .MP4 - Google Drive

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Several test scores are shown. Determine the measures of variation. Separate with commas.

Measures of Variation - Several Test Scores.MP4 - Google Drive

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Several book prices are shown. Determine the measures of variation. Separate with commas.

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Part 1 of 3: Determine the measures of variation. Separate with commas.

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Part 2 of 3: Identify the "stretcher", lower boundary (hint it's negative), and upper boundary

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Part 3 of 3: Identify any outliers

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At a swim practice the swimmers swam the following number of laps: 20, 28, 30, 8. 15, 18, 21, 22, 25, 29, 24, and 26. How many laps would a swimmer need to complete in order to be considered an outlier? (Remember: In order to be an outlier, the data must be passed either boundary)

Outliers - Swim Laps.MP4 - Google Drive

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Determine the Mean Absolute Deviation.

M.A.D. - Project Work Hours.MP4 - Google Drive

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Determine the Mean Absolute Deviation.

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