Sampling Distribution of Pearson's r

Questions

Question 1 out of 4.

What is the shape of the sampling distribution of r

  1. Normal
  2. Bimodal
  3. Skewed
Question 2 out of 4.

What is the corresponding z' for r = -.65?

Question 3 out of 4.

Which of these r values is the most different from its corresponding z'?

  1. r = 0
  2. r = .6
  3. r = .2
  4. r = -.8
Question 4 out of 4.

The population has a correlation of .60. What is the probability that you will get a sample correlation of at least r = .50 if you sample 19 pairs?

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  • line 7225 of /lib/moodlelib.php: call to debugging()
  • line 7292 of /lib/moodlelib.php: call to {closure}()
  • line 71 of /lib/classes/hook/output/before_footer_html_generation.php: call to get_plugins_with_function()
  • line 987 of /lib/classes/output/core_renderer.php: call to core\hook\output\before_footer_html_generation->process_legacy_callbacks()
  • line 154 of /mod/book/view.php: call to core\output\core_renderer->footer()