Mathematics, 08.11.2019 11:31, dragonstar9771

# Twenty students in class a and 20 students in class b were asked how many...

Twenty students in class a and 20 students in class b were asked how many hours they took to prepare for an exam. the data sets represent their answers. class a: {2, 5, 7, 6, 4, 3, 8, 7, 4, 5, 7, 6, 3, 5, 4, 2, 4, 6, 3, 5} class b: {3, 7, 6, 4, 3, 2, 4, 5, 6, 7, 2, 2, 2, 3, 4, 5, 2, 2, 5, 6} which statement is true for the data sets? a. the mean study time of students in class a is less than students in class b. b. the mean study time of students in class b is less than students in class a. c. the median study time of students in class b is greater than students in class a. d. the range of study time of students in class a is less than students in class b. e. the mean and median study time of students in class a and class b is equal.

Answers: 1

Mathematics, 21.06.2019 15:30, carriecarl3530

State whether weight is a function of height for the six students and explain. a. yes, height is a function of weight because two students weigh 165 pounds but have different heights. b. no, height is not a function of weight because two students weigh 165 pounds but have different heights. c. yes, weight is a function of height because for each value of height there is one corresponding value of weight. d. no, weight is not a function of height because there is not enough data to determine a function.

Answers: 1

Mathematics, 21.06.2019 18:30, 987654321156

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Answers: 1

Mathematics, 21.06.2019 19:40, lylah42

The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes

Answers: 3

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