Mathematics, 21.04.2021 16:40 singfreshjazz3370

Sophia, a yoga instructor at Yoga for You, selected random samples of 210 students from a nearby high school and 210 students from a nearby college to compare levels of physical fitness. The mean and standard deviation of the fitness levels of the high school students were 82 and 14 respectively. The mean and standard deviation of the fitness levels of the college students were 86 and 17 respectively. She conducted a two-sided t-test with a resulting t-value of 2.63. lf a = 0.05, what is an appropriate conclusion from this study? Because the sample means only differ by four, the population means are not significantly different.

Because the second group has a larger standard deviation, their mean fitness score is significantly higher.

Because the second group has a larger standard deviation, the mean fitness score of the first group is significantly higher

Because the p-value is greater than a 0.05, the mean fitness scores for the two groups of students are not significantly different.

Because the p-value is less than a 0.05, the mean fitness scores for the two groups of students are significantly different.

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 18:00

Manny bought 12 pounds of vegetables at the supermarket. 75% of the vegetables were on sale. how many pounds of vegetables were not on sale? 98 points : )

Answers: 2

Answer

Mathematics, 21.06.2019 20:00

Bernice paid $162 in interest on a loan of $1800 borrowed at 6%. how long did it take her to pay the loan off?

Answers: 1

Answer

Mathematics, 21.06.2019 21:10

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

Answers: 1

Answer

Mathematics, 21.06.2019 22:50

Abdul is making a map of his neighborhood he knows the following information: his home, the middle school, and high school are all on the same street. his home, the elementry school, and his friends house are on the same street. the angle between the elementary school, middle school, and his home is congruent to the angle between his friends house, the high school, and his home. what theorem can abdul use to determine the two triangles are similar? a- side side side similarity theoremb- angle angle similarity theoremc- corresponding parts of similar triangles are congruentd- pieces of right triangles similarity theorem

Answers: 1

Answer

You know the right answer?

Sophia, a yoga instructor at Yoga for You, selected random samples of 210 students from a nearby hig...

Questions