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Quiz by Michael Jardine, created more than 1 year ago

Module 1, Lecture 5 By the end of this lecture you should understand: - Carrying out a t-test - One- and two-tailed t-tests

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biol2022
biol
clarissa
2018
2018 sem 2
biol2022
biol2022 module 1 - clarissa

	Created by Michael Jardine about 6 years ago

BIOL2022 L05 Testing differences between two means: 1- and 2-tailed t-tests

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Question 1 of 4

Logical vs statistical null:
x = # of koalas in Trees; y = # of koalas on Floor
Hypothesis: [x] > [y]
Logical Null Hypothesis: [x] ❌ [y]
Statistical Null Hypothesis: [x] ❌ [y]

Drag and drop to complete the text.

≤

Explanation

Question 2 of 4

Type I vs Type II errors

{"81.2155_38.6525":[{"id":28251577,"answer":"Type II","x":81.2155,"y":38.6525}],"50.4604_76.9504":[{"id":28251576,"answer":"Type I","x":50.4604,"y":76.9504}]}

Drag an answer into the correct orange point.

Type I

Type II

Explanation

Question 3 of 4

A t-test compares:

Select one or more of the following:

Means
Variance
Error

Explanation

Question 4 of 4

1-tailed vs 2-tailed t-tests:
Which one is directional?

Select one of the following:

1-tailed
2-tailed
Both
Neither

Explanation

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Module 1, Lecture 5 By the end of this lecture you should understand: - Carrying out a t-test - One- and two-tailed t-tests

BIOL2022 L05 Testing differences between two means: 1- and 2-tailed t-tests

BIOL2022 L05 Testing differences between two means: 1- and 2-tailed t-tests

Question 1 of 4

Logical vs statistical null: x = # of koalas in Trees; y = # of koalas on Floor Hypothesis: [x] > [y] Logical Null Hypothesis: [x] ❌ [y] Statistical Null Hypothesis: [x] ❌ [y]

Drag and drop to complete the text.

Explanation

Question 2 of 4

Type I vs Type II errors

Drag an answer into the correct orange point.

Explanation

Question 3 of 4

A t-test compares:

Select one or more of the following:

Explanation

Question 4 of 4

1-tailed vs 2-tailed t-tests: Which one is directional?

Select one of the following:

Explanation

Logical vs statistical null:
x = # of koalas in Trees; y = # of koalas on Floor
Hypothesis: [x] > [y]
Logical Null Hypothesis: [x] ❌ [y]
Statistical Null Hypothesis: [x] ❌ [y]

1-tailed vs 2-tailed t-tests:
Which one is directional?