BIOL2022 L01 Why statistics? Organisms are variable in a variable world.

Frage 1 von 5

1

Variability, intrinsic vs extrinsic: Measurement error is an example of ❌; ‘natural’ variation within the system (e.g. body sizes of different individuals) are an example of ❌.

Klicke und ziehe, um den Text zu vervollständigen.

Extrinsic

Intrinsic

None! Stupid answer.

Erklärung

Frage 2 von 5

1

Dispersion, spread: ❌ is the square root of ❌.

Klicke und ziehe, um den Text zu vervollständigen.

Standard deviation

Variance

Standard Error

Erklärung

Frage 3 von 5

2

Complete the following formula:

Ziehe eine Antwort zum richtigen orangen Punkt.

n (sample size)

variance

standard deviation

standard error

Erklärung

Frage 4 von 5

2

When to use main tests:
Differences between 2 means: ❌;
Differences between >2 means: ❌;
Linear and/or curvilinear relationships: ❌;
Frequencies (counts): ❌;
(All of these test null hypotheses)

Klicke und ziehe, um den Text zu vervollständigen.

t-test

ANOVA

Regression and correlation

G test and Chi squared

Chi squared only

Regression only

Correlation only

G test only

Erklärung

Frage 5 von 5

1

Correlation vs regression:

Wähle eine oder mehr der folgenden:

Correlation defines a relationship between variables (causal or not)
Regression states that one variable predicts another
Regression defines a relationship between variables (causal or not)
Correlation states that one variable predicts another

	Erstellt von Michael Jardine vor mehr als 5 Jahre

Module 1, Lecture 1 SUMMARY: - Must make questions explicit, and state hypotheses and logical predictions - Correlative approach will tell you that a pattern exists, but (in most cases) only an experiment will tell you why - A simple framework can make life easier!

BIOL2022 L01 Why statistics? Organisms are variable in a variable world.

Frage 1 von 5

Variability, intrinsic vs extrinsic: Measurement error is an example of ❌; ‘natural’ variation within the system (e.g. body sizes of different individuals) are an example of ❌.

Klicke und ziehe, um den Text zu vervollständigen.

Erklärung

Frage 2 von 5

Dispersion, spread: ❌ is the square root of ❌.

Klicke und ziehe, um den Text zu vervollständigen.

Erklärung

Frage 3 von 5

Complete the following formula:

Ziehe eine Antwort zum richtigen orangen Punkt.

Erklärung

Frage 4 von 5

When to use main tests: Differences between 2 means: ❌; Differences between >2 means: ❌; Linear and/or curvilinear relationships: ❌; Frequencies (counts): ❌; (All of these test null hypotheses)

Klicke und ziehe, um den Text zu vervollständigen.

Erklärung

Frage 5 von 5

Correlation vs regression:

Wähle eine oder mehr der folgenden:

Erklärung

When to use main tests:
Differences between 2 means: ❌;
Differences between >2 means: ❌;
Linear and/or curvilinear relationships: ❌;
Frequencies (counts): ❌;
(All of these test null hypotheses)