Mathematics
Mathematics, 20.11.2021 07:50, andrejr0330jr

in spring 2017, data was collected from a random selection of sta 2023 students. one of the questions asked how many hours they had worked in the past 24 hours. for the 39 randomly selected upperclassmen, the sample mean was 0.61 and sample standard deviation was 2.32. for the 35 randomly selected underclassmen, the sample mean was 1.40 and the sample standard deviation was 2.65. what is the point estimate of the difference in the population mean volunteered between underclassmen and upperclassmen?

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 19:00, ortizprecious5183
How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons
Answers: 1
image
Mathematics, 21.06.2019 21:00, kfliehman1
Which must be true in order for the relationship △zyv ~ △xwv to be correct? zy ∥ wx ∠z ≅ ∠y and ∠w ≅ ∠x zv ≅ vy and wv ≅ vx ∠z ≅ ∠x and ∠w ≅ ∠y
Answers: 2
image
Mathematics, 21.06.2019 22:00, zakiyahjones0890
If rs 900 amounts to rs 1044 in 4 years, what sum will amount to 1368 in 3 1/2 years at the same rate
Answers: 3
image
Mathematics, 21.06.2019 23:20, elizediax8683
Which expression is a factor of 12x2 + 29x – 8? x – 8 2x – 1 3x + 8 4x + 1
Answers: 1
Do you know the correct answer?
in spring 2017, data was collected from a random selection of sta 2023 students. one of the question...

Questions in other subjects:

Konu
Arts, 26.10.2020 15:30
Konu
Mathematics, 26.10.2020 15:30