One thousand and twenty students participated in the school math contest.
sample 1 is a...
Mathematics, 09.12.2019 17:31 yulimariu27
One thousand and twenty students participated in the school math contest.
sample 1 is a random sample from grades 9 and 10 and consists of the following scores: 72, 89, 67, 81, 75, 79, 81, 80, 62, 64, 83.
sample 2 is a random sample from grades 11 and 12 and consists of the following scores: 84, 86, 87, 84, 86, 89, 90, 87, 87, 84, 86.
choose the following statements that correctly compare the two samples.
check all that are true.
a). sample 2 shows 11th and 12th grade students, on average, did better.
b) . sample 1 has a higher probability than sample 2.
c). the measure of center is the same for both samples.
d). sample 1 shows 9th and 10th grade students, on average, did better.
e). sample 2 has a higher median score than sample 1.
Answers: 1
Mathematics, 21.06.2019 20:30
1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?
Answers: 1
Mathematics, 21.06.2019 21:30
Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3
Answers: 1
Mathematics, 21.06.2019 23:00
Shared decision making is always a positive strategy to take
Answers: 1
Mathematics, 22.06.2019 00:30
What should be done to both sides of the equation in order to solve -5m = -40? a) multiply by -5. b) divide by -5. c) multiply by -40. d) divide by -40.
Answers: 2
Mathematics, 04.07.2019 04:00
History, 04.07.2019 04:00
Mathematics, 04.07.2019 04:00
Chemistry, 04.07.2019 04:00
Chemistry, 04.07.2019 04:00
Social Studies, 04.07.2019 04:00
Mathematics, 04.07.2019 04:00