Unit 2 Practice Test

Last updated almost 2 years ago

22 questions

Note from the author:

Instructions

Learning Target: I can interpret data in a stem-and-leaf plot.

I can analyze a frequency table.

Learning Targets: *I can analyze a histogram. *I can analyze the shape of a distribution.

2.5

Learning Target: I can calculate and use measures of central tendency to evaluate data sets.

Learning Target: I can calculate and use a 5-number summary. er summary to construct a box plot.

Learning Target: I can analyze the shape and distribution of a box plot.

Learning Target: I can use the Central Limit Theorem to estimate the mean of a population.

Learning Target: I can calculate standard deviation to determine the spread of a data set.

Draggable item		Corresponding Item
		Unimodal, Bell Shaped
		Bimodal
		Right Skew
		Left Skew
		None of the Above

Unit 2 Practice Test

Unit 2 Practice Test

Scores on a Unit Test Key: 6|2 = 62%What is the range of the test scores in the stemplot above?

Scores on a Unit Test Key: 6|2 = 62%How many students took the Unit Test?

Mid-day Temperatures for a WeekHow many days were at least 23 degrees?

Mid-day Temperatures for a WeekWhat is the relative frequency of the temperature at 24 degrees for the week?

Match the histogram to the term that best describes its shape.

About how many employees made less than $30,000 at ABC Corporation?

Based on the distribution of wages at ABC Corporation, do you think they pay their employee's fairly?

Scores on a Unit Test Key: 6|2 = 62%What is the mean score on the Unit Test? Round to the nearest tenth of a percent.

Scores on a Unit Test Key: 6|2 = 62%What is the median score on the Unit Test? Round to the nearest tenth of a percent.

Is the mean the same, right, or left of the median? What does this tell you about the spread of the data?

Number of Customers in a WeekWhat is the median number of customers?

Number of Customers in a WeekWhat is the first quartile, Q1?

Number of Customers in a WeekWhat is the third quartile, Q3?

Which of the following boxplots has a lower outlier?

What is the approximate range of deaths from Lung Diseases in the UK?

What is the approximate median number of deaths per month from Lung Diseases?

According to the Central Limit Theorem which of the following samples would have a mean closer to the population mean.

Here are two samples with a mean of 50.Which Histogram has a greater standard deviation? Explain why?

What is the mean age of the Supreme Court Justices? Round to the nearest tenth of a year.

What is the standard deviation of the Supreme Court Justices? Round to the nearest tenth.

Scores on a Unit Test Key: 6|2 = 62%What is the range of the test scores in the stemplot above?

Scores on a Unit Test Key: 6|2 = 62%How many students took the Unit Test?

Mid-day Temperatures for a WeekHow many days were at least 23 degrees?

Mid-day Temperatures for a WeekWhat is the relative frequency of the temperature at 24 degrees for the week?

Match the histogram to the term that best describes its shape.

About how many employees made less than $30,000 at ABC Corporation?

Based on the distribution of wages at ABC Corporation, do you think they pay their employee's fairly?

Scores on a Unit Test Key: 6|2 = 62%What is the mean score on the Unit Test? Round to the nearest tenth of a percent.

Scores on a Unit Test Key: 6|2 = 62%What is the median score on the Unit Test? Round to the nearest tenth of a percent.

Is the mean the same, right, or left of the median? What does this tell you about the spread of the data?

Scores on a Unit Test Key: 6|2 = 62%What is the mode of the Unit Test? There maybe more than one answer.

Number of Customers in a WeekWhat is the median number of customers?

Number of Customers in a WeekWhat is the first quartile, Q1?

Number of Customers in a WeekWhat is the third quartile, Q3?

Which of the following boxplots has a lower outlier?

What is the approximate range of deaths from Lung Diseases in the UK?

What is the approximate median number of deaths per month from Lung Diseases?

According to the Central Limit Theorem which of the following samples would have a mean closer to the population mean.

Here are two samples with a mean of 50.Which Histogram has a greater standard deviation? Explain why?

What is the mean age of the Supreme Court Justices? Round to the nearest tenth of a year.

What is the standard deviation of the Supreme Court Justices? Round to the nearest tenth.

Which of the Supreme Court justices do not fall with in one standard deviation of the mean?

Scores on a Unit Test
Key: 6|2 = 62%

What is the range of the test scores in the stemplot above?

Scores on a Unit Test
Key: 6|2 = 62%

How many students took the Unit Test?

Mid-day Temperatures for a Week
How many days were at least 23 degrees?

Mid-day Temperatures for a Week
What is the relative frequency of the temperature at 24 degrees for the week?

Scores on a Unit Test
Key: 6|2 = 62%
What is the mean score on the Unit Test? Round to the nearest tenth of a percent.

Scores on a Unit Test
Key: 6|2 = 62%
What is the median score on the Unit Test? Round to the nearest tenth of a percent.

Number of Customers in a Week
What is the median number of customers?

Number of Customers in a Week
What is the first quartile, Q1?

Number of Customers in a Week
What is the third quartile, Q3?

Here are two samples with a mean of 50.
Which Histogram has a greater standard deviation? Explain why?

Scores on a Unit Test
Key: 6|2 = 62%

What is the range of the test scores in the stemplot above?

Scores on a Unit Test
Key: 6|2 = 62%

How many students took the Unit Test?

Mid-day Temperatures for a Week
How many days were at least 23 degrees?

Mid-day Temperatures for a Week
What is the relative frequency of the temperature at 24 degrees for the week?

Scores on a Unit Test
Key: 6|2 = 62%
What is the mean score on the Unit Test? Round to the nearest tenth of a percent.

Scores on a Unit Test
Key: 6|2 = 62%
What is the median score on the Unit Test? Round to the nearest tenth of a percent.

Scores on a Unit Test
Key: 6|2 = 62%

What is the mode of the Unit Test? There maybe more than one answer.

Number of Customers in a Week
What is the median number of customers?

Number of Customers in a Week
What is the first quartile, Q1?

Number of Customers in a Week
What is the third quartile, Q3?

Here are two samples with a mean of 50.
Which Histogram has a greater standard deviation? Explain why?