Statistics (MATH1280)

MATH 1280 Self-Quiz Unit 7 (100%) – University of the People Grade 10.00 out of 10.00 (100%) Information text Recall that the population average of the heights in the file "" is μ = 170.035. Using simulation it can be shown that the probability of the sample average of the height falling within 2 centimeter of the population average is approximately equal to 0.925. From the simulations we also got that the standard deviation of the sample average is (approximately) equal to 1.122. In the...

MATH 1280 Self-Quiz Unit 3 (100%) – University of the People Grade 10.00 out of 10.00 (100%) Question 1 Correct Question text In Figure A you will find box plots for three sets of data. In Figure B are the histograms for the same sets of data, but in a different order. Associate each box plot with its relative histogram. Figure A: Figure B: Box plot 1 Answer 1 Box plot 2 Answer 2 Box plot 3 Answer 3 Feedback Question 2 Correct Question text Consider the b...

1 MATH 1280 Milestone 1_Introduction to Statistics (2020) – University of the People The administrator of a hospital conducted a survey among patients in the cardiology wing to determine service levels of the nursing staff in the hospital. Which of the following explains how the results of the survey could be biased? • The sample does not include the doctors of the hospital. • The sample does not include all the patients in the hospital. • The sample does not include the boar...

Describe what a type I and type II error would be for the following null hypothesis: : Most environmental crises in this decade were man-made. Describe what a type I and type II error would be for the following null hypothesis: H0: Most environmental crises in this decade were man-made. Week 5 discussion