Robin collected data on the number of hours she watched television on Sunday through Thursday nights for a period of 3 weeks. The data are shown in the table.
Using an appropriate scale on the number line below, construct a box plot for the 15 values.
Isaiah collects data from two different companies, each with four employees. The results of the study, based on each worker's age and salary, are listed in the tables shown.
Which statement is true about these data?
The median salaries in both companies are $37,000.
The mean salary in company 1 is greater than the mean salary in company 2.
The salary range in company 2 is greater than the salary range in company 1.
The mean age of workers at company 1 is greater than the mean age of workers at company 2.
Christopher looked at his quiz scores shown for the first and second semester of his Algebra class.
Semester 1: 78, 91, 88, 83, 94
Semester 2: 91, 96, 80, 77, 88, 85, 92
Which statement about Christopher's performance is correct?
The interquartile range for semester 1 is greater than the interquartile range for semester 2.
The median score for semester 1 is greater than the median score for semester 2.
The mean score for semester 2 is greater than the mean score for semester 1.
The third quartile for semester 2 is greater than the third quartile for semester 1.
The table shows the annual salaries for the 24 members of a professional sports team in terms of millions of dollars.
The team signs an additional player to a contract worth 10 million dollars per year. Which statement about the median and mean is true?
Both will increase.
Only the median will increase.
Only the mean will increase.
Neither will change.
The heights, in inches, of 12 students are listed.
61, 67, 72, 62, 65, 59, 60, 79, 60, 61, 64, 63
Which statement best describes the spread of these data?
The set of data is evenly spread.
The median of the data is 59.5.
The set of data is skewed because 59 is the only value below 60.
79 is an outlier, which would affect the standard deviation of these data.
The following table shows the heights, in inches, of the players on the opening-night roster of the 2015-2016 New York Knicks.
The population standard deviation of these data is approximately
3.5
13
79.7
80
The two sets of data represent the number of runs scored by two different youth baseball teams over the course of a season.
Team A: 4, 8, 5, 12, 3, 9, 5, 2
Team B: 5, 9, 11, 4, 6, 11, 2, 7
Which set of statements about the mean and standard deviation is true?
mean A < mean B and standard deviation A > standard deviation B
mean A > mean B and standard deviation A < standard deviation B
mean A < mean B and standard deviation A < standard deviation B
mean A > mean B and standard deviation A > standard deviation B
The 15 members of the French Club sold candy bars to help fund their trip to Quebec. The table shows the number of candy bars each member sold.
When referring to the data, which statement is false?
The mode is the best measure of central tendency for the data.
The data have two outliers.
The median is 53.
The range is 120.
The box plot summarizes the data for the average monthly high temperatures in degrees Fahrenheit for Orlando, Florida.
The third quartile is
92
90
83
71
Which statistic can NOT be determined from a box plot representing the scores on a math test in Mrs. DeRidder's algebra class?
the lowest score
the median score
the highest score
the score that occurs most frequently
Corinne is planning a beach vacation in July and is analyzing the daily high temperatures for her potential destination. She would like to choose a destination with a high median temperature and a small interquartile range. She constructed box plots shown in the diagram.
Which destination has a median temperature above 80 degrees and the smallest interquartile range?
Ocean Beach
Whispering Palms
Serene Shores
Pelican Beach
What is the range of the box plot shown?
7
2
3
4
The dot plot shown represents the number of pets owned by students in a class.
Which statement about the data is NOT true?
The median is 3.
The interquartile range is 2.
The mean is 3.
The data contains no outliers.
Noah conducted a survey on sports participation. He created the following two dot plots to represent the number of students participating, by age, in soccer and basketball.
Which statement about the given data sets is correct?
The data for soccer players are skewed right.
The data for soccer players have less spread than the data for basketball players.
The data for basketball players have the same median as the data for soccer players.
The data for basketball players have a greater mean than the data for soccer players.