Statistics Trimester 2 2021 Exam Buster

Define what A and B are, retrospectively.

• Estimate, Parameters

• Parameters, Estimate

• Describe, Statistics

• Statistics, Describe

What are the two types of Statistical Inference?

• Elimination and hypothalamus testing

• Estimation and hypothalamus testing

• Estimation and hypothesis testing

• Elimination and hypothesis testing

All Bell-Shaped Curves are ‘normal’

• True

• False

1. Correlation is ________, Regression is ___________.

• Causal, non-causal

• Non-causal. Causal

• Linear, not linear

• Not linear, linear

Identify the correct terms for A, B, C and D, retrospectively:

• correct, type 1, type 2, correct

• type 1, correct, correct, type 2

• type 2, correct, correct, type 1

• correct, type 2, type 1, correct

Practice Question 1 (PQ1): What type of test is this?

PQ1: What is the research question for this test?

PQ1: What are the null and alternative hypotheses?

PQ1: What formula do you use to calculate the test statistic?

• Sum of (O + E)²/E

• (O - E)²/E

• Sum of (O - E)²/E

• (O + E)²/E

PQ1: What is the degrees of freedom for this question?

• 4

• 3

• 2

• 5