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Which of the following could not be a term in the sequence 5, 10, 15, 20...?
All answers in the sequence must end in a 5 or a 0.
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The players on Rebecca's basketball team are the following ages:
What is the median age?
In order to find the median, the numbers in a set must be ordered from smallest to largest, and the middle number identified. Doing this results in:
The middle number is 7, which is therefore the median.
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Greg is a shoe salesman. The past 5 days, he has sold the following numbers of shoes:
What is the median?
The median is the middle number in a set when ordered from smallest to largest.
When the set, is ordered from smallest to largest, it is
.
Here, the middle number is 7. Therefore, the correct answer is 7.
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What is the mode of the set below?
The mode of a set is the number that appears most often. Given that the number 5 appears 3 times (more than any other number) it is therefore the mode and the correct answer.
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If Gene has 4 dogs that are 8 years old, 5 years old, 7 years old, and 2 years old, what is the average age?
The average of a set is the sum of the numbers in the set divided by the number of items in the set.
Therefore, the average is equal to:
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If Angela runs 5 miles on Tuesday, 6 miles on Wednesday, and 7 miles on Thursday, how many miles will she run on Saturday if she continues with this pattern?
Angela's pattern is to run one more mile each subsequent day than the number of miles she ran the previous day. Therefore, since she ran 7 miles on Thursday, she will run 8 miles on Friday and 9 miles on Saturday. Therefore, 9 is the correct answer.
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Throughout the last games of the basketball season, Joleen scored the following number of points:
What is the average amount of points that Joleen scored per game?
To find the average number of points that Joleen scored, first find the sum of Joleen's points. Then divide the sum by the number of games to determine the average per game. Thus, the solution is:
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What is the range of the following set of numbers:
To calculate the range of the set, find the difference between the greatest and lowest numbers. Thus, the solution is:
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The following set of numbers is the final exam scores from Ms. Turk's grade English exam. Find the median score.
To find the median exam score, arrange the list in descending or ascending order. The median is the middle score. Thus, the solution is:
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The following sequence of numbers is the amount of hours that Carlos spent playing video games during each of the past weeks. Find the mean number of hours that Carlos spent playing video games per week.
To find the mean number of hours that Carlos played per week, calculate the sum total of all of the hours that he played video games during the past six weeks. Then divide the sum by the total number of weeks.
Thus, the solution is:
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Valena has two older brothers that are ages &
. Additionaly, she has one younger sister that is
years old. What is the mean age of Valena's siblings?
To find the mean of Valena's siblings, calculate the sum of their age's. Then divide the sum by the total number of siblings.
Thus, the solution is:
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Find the mode in the following sequence of numbers:
The mode is the number that appears the most amount of times within the list. Thus, the correct answer is --which appears three times in the list.
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Recently, Antonio has been keeping a record of how many hours that he sleeps per night. The following sequence of numbers is the amount of hours Antonio has slept during each of the last seven nights.
What is the mean number of hours that Antonio slept per night?
To calculate the mean number of hours that Antonio slept per night, first find the total number of hours he slept during the past seven nights. Then divide the sum total by the number of nights in a week.
Thus, the solution is:
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Find the mode of the following number set:
The mode is the number that appears the most amount of times within the set. Thus, the correct answer is --which is the only number that appears twice.
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Kayla has guitar practice several times per week. On separate days, she practiced for hours,
hours,
hours and
hours.
Find the average number of hours that Kayla practiced guitar per day.
To calculate the average amount of time that Kayla practiced guitar per day, find the total number of hours that Kayla practiced. Then divide the total number of hours she practiced by the total number of days that she practiced guitar.
Thus, the solution is:
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David works as an attorney. The following number set represents the amount of hours that he worked each of the last five days.
Find the median number of hours that David worked last week.
To find the median number of hours David worked, arrange the number set in ascending or descending order. The median is the middle number.
Thus, the solution is:
Median =
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Carra enjoys writing computer code. She has kept a journal to log how many hours that she has coded. According to her records, during each of the past three years she has coded hours,
hours and
hours, respectively.
What is the average amount of time that Carra coded per year?
To find the average number of hours that Carra coded per year, find the total number of hours that she coded. Then divide the sum total by the number of years that she has logged her coding hours.
Thus, the solution is:
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Find the range of the following number sequence:
To find the range of the number sequence, find the difference between the largest and smallest numbers. Therefore,
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