Mathematics, 16.03.2020 18:07, xoxonaynay

160 students participated in a math competition. The
participated in a math competition. The results of the competition
are as follow:
• 120 students received a score of at least 18.
Among the middle 50% of the students, 40 of them received a score lower
than 22.
The median is three-quarter the length of the interquartile range from the
upper quartile on the number scale. The two extreme values are 0 and 42.

Find the interquartile range.

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 14:00, kenziepickup

Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?

Answers: 1

continue

Mathematics, 21.06.2019 17:00, anniekwilbourne

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

Answers: 3

continue

Mathematics, 21.06.2019 18:10, chyyy3

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

Answers: 2

continue

Mathematics, 21.06.2019 19:00, sreyasusanbinu

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Answers: 1

continue

Do you know the correct answer?

160 students participated in a math competition. The
participated in a math competition. The r...