stats exam 3 Questions with complete
solution 2025/2026
can be used to determine whether a statement about the value of a population parameter should or
should not be rejected - correct answer ✔hypothesis testing
denoted by H0, is a tentative assumption about a population parameter. (assumption to be
challenged. )The hypothesis tentatively assumed true in the hypothesis testing procedure. - correct
answer ✔null hypothesis
denoted by Ha, is the opposite of what is stated in the null hypothesis - correct answer ✔alternative
hypothesis
rejecting H0 when it is true
May be referred to as "alpha
error. - correct answer ✔type I error
the probability of making a type i error when the null hypothesis is true as an equality is called - correct
answer ✔level of significance
applications of hypothesis testing that only control for the type I error are often called - correct answer
✔significance tests
failing to reject H0 when it is false
solution 2025/2026
can be used to determine whether a statement about the value of a population parameter should or
should not be rejected - correct answer ✔hypothesis testing
denoted by H0, is a tentative assumption about a population parameter. (assumption to be
challenged. )The hypothesis tentatively assumed true in the hypothesis testing procedure. - correct
answer ✔null hypothesis
denoted by Ha, is the opposite of what is stated in the null hypothesis - correct answer ✔alternative
hypothesis
rejecting H0 when it is true
May be referred to as "alpha
error. - correct answer ✔type I error
the probability of making a type i error when the null hypothesis is true as an equality is called - correct
answer ✔level of significance
applications of hypothesis testing that only control for the type I error are often called - correct answer
✔significance tests
failing to reject H0 when it is false
