بايو بايت - BioByte

Q24. The degrees of freedom for a one-sample t-test with n = 15 is:

Q33 Which statement is TRUE?

Q32 Regression implies:

Q23. If Z calculated > Z critical, then we:

Q31 Correlation measures:

Q22. A larger sample size will cause the standard error to:

Q30 If r = -0.7, then R² is:

Q21. The standard error of a proportion depends on:

Q29 If R² = 0.81, this means:

Q20. If p̂₁ = 0.70, p̂₂ = 0.50, n₁ = n₂ = 100, the mean of the sampling distribution is:

Q19. Two proportions are 0.60 and 0.45. What is their difference?

Q18. In hypothesis testing, rejecting H₀ means:

Q28 R² represents:

Q27 If r = 0.8, then R² equals:

Q17. A 95% confidence interval for a mean is (40, 50). What is the sample mean?

Q16. Population variances are unknown and sample sizes are small. Which test should be used?

Q26 The coefficient of determination is:

Q25 Regression line always passes through:

Q15. Two samples have means 80 and 75. The probability question is based on (X̄₁ − X̄₂). What is the expected value?

Q24 Which of the following is NOT required to compute regression coefficients?