2.1 Homework

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2.1 Homework

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2.1 Homework

1.  Select the appropriate word or phrase to complete each sentence.

 
In a data set, the number of items that are in a particular category is called the ______
 
 
2.Select the appropriate word or phrase to complete each sentence.
 
In a data set, the proportion of items that are in a particular category is called the __________
 
3.  The following bar graph presents the average amount a U.S. family spent, in dollars, on various food categories in a recent year.

On which food category was the most money spent?

True or false: On the average, families spent more on fruits and vegetables than on cereals and bakery products.

  1. True
  2. False
 
4.
ollowing is a pie chart that presents the percentages of video games sold in each of four rating categories.
 
 
(a) Construct a relative frequency bar graph for the data. Round your answers to two decimal places.

(b) In which rating category are the least games sold?  ____ is the rating category with the least games sold.

(c) True or false: More than twice as many E10-rated games are sold as T-rated games.

It is_______ that more than twice as many E10-rated games are sold as T-rated games.

(d) True or false: Greater than one in three games sold is an M-rated game.

It is _______    that greater than one in three games sold is an M-rated game.
 
 
5.
The following side-by-side bar graph presents the percentages of the sources of funds for food expenditures in the given years.
 
Which sources of funds for food expenditures increased or decreased as a proportion of the total in the given years?
 
In

1940, the smallest source of funds for food expenditures was Governments. Is this the smallest source of funds in 2012?

______ , the smallest source of funds for food expenditures in

2012 is ______

 
In

1940, the largest source of funds for food expenditures was Families and individuals. Is this the largest source of funds in

2012?

______ , the largest source of funds for food expenditures in 2012 is _____

 
6.Hospital admissions: The following frequency distribution presents the five most frequent reasons for hospital admissions in U.S. community hospitals in a recent year.

(a)Construct a frequency bar graph.

(b)The categories coronary atherosclerosis, congestive heart failure, and heart attack refer to diseases of the circulatory system. True or false: There were less hospital admissions for infant birth than for diseases of the circulatory system.

It is _______ that there were less hospital admissions for infant birth than for diseases of the circulatory system.

 

7.  Hospital admissions: The following frequency distribution presents the five most frequent reasons for hospital admissions in U.S. community hospitals in a recent year.

(a) Construct a relative frequency distribution. Round the answers to two decimal places.

(b) Construct a relative frequency bar graph.

(c) Construct a pie chart.

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This question is taken from Math 138 – Statistics » Fall 2021 » Homeworks