Essay

State the alternative hypothesis for a correlation test in both conceptual terms and mathematical notation, clearly identifying the population parameter used.

Question: State the alternative hypothesis for a correlation test in both conceptual terms and mathematical notation, clearly identifying the population parameter used.

Sample answer: Conceptually, the alternative hypothesis in a test of a correlation coefficient states that a true relationship does exist between the variables within the target population. Mathematically, it is expressed as ρ0\rho \neq 0, where the Greek letter rho (ρ\rho) represents the population correlation coefficient, representing a non-zero population correlation.

Key points:

  • The alternative hypothesis states that a true relationship exists between the variables in the target population.
  • The alternative hypothesis is mathematically expressed as ρ0\rho \neq 0.
  • The parameter ρ\rho represents the population correlation coefficient.

Rubric: Grading Rubric: - 1 point: States that conceptually the alternative hypothesis posits a true relationship between variables in the target population. - 1 point: Formulates the mathematical expression as ρ0\rho \neq 0. - 1 point: Correctly identifies the population parameter ρ\rho (rho).

0

1

Updated 2026-05-26

Contributors are:

Who are from:

Tags

KPU

Research Methods in Psychology - 4th American Edition @ KPU

Related