Chapter 8.1 QUIZ

If the null hypothesis is not rejected when it is false, a type II error has occurred.

• False

• True

A right-tailed test is used when H_0 : μ ≥ k.

• False

• True

Tags

CCSS.HSS.IC.B.3

• No, equalities are not permitted in a null hypothesis.

• Yes, this is a statement that compares two parameters.

• Yes, this is a statement that compares a parameter to a value.

• No, there is no parameter contained in this statement.

• Yes, this is a statement that compares a parameter to a value.

• No, there is no parameter contained in this statement.

• Yes, this is a statement that compares two parameters.

• No, equalities are not permitted in a null hypothesis.

• Yes, these statements are two non-overlapping hypotheses and compare two parameters.

• Yes, these statements are two non-overlapping hypotheses and compare a parameter to a value.

• No, there are no parameters contained in these statements.

• No, the alternative hypothesis cannot contain numeric values.

Tags

CCSS.HSS.IC.B.3

Determine whether the alternative hypothesis is left-tailed, right-tailed, or two-tailed. H_0 : μ = 44 H_1 : μ > 44

• right-tailed

• left-tailed

• two-tailed

In a(n) ________ test, the null hypothesis should be rejected when the test value is in either of the two critical regions.

• three-part

• two-tailed

• normal-curve

• one-tailed

A type I error occurs if one rejects the null hypothesis when it is (a)   .

• false

• true
• zero

• non-zero

For the conjecture "The average weight of a cuckoo bird is less than 2.2 pounds", the null and alternative hypotheses are:

• H0 : The average weight of a cuckoo bird is less than 2.2 pounds.

  H1 : The average weight of a cuckoo bird is more than or equal to 2.2 pounds.

• H0 : The average weight of a cuckoo bird is equal to 2.2 pounds.

  H1 : The average weight of a cuckoo bird is less than 2.2 pounds.

• H0 : The average weight of a cuckoo bird is less than or equal to 2.2 pounds.

  H1 : The average weight of a cuckoo bird is less than 2.2 pounds.

• H0 : The average weight of a cuckoo bird is more than or equal to 2.2 pounds.

  H1 : The average weight of a cuckoo bird is less than 2.2 pounds.

Using the z table, find the critical value (or values) for an α = 0.09 two-tailed test.

• 1.69

• 1.34

• ±1.69

• ±1.34