LNG410 Statistical Analysis

Question 1

Compare the effects of two different teaching methods (Method A and Method B) on two groups of students' performance.

Accepted Answer

Independent t - test

Question 2

Compare the math scores of students in three different classes to see if there are significant differences.

Accepted Answer

ANOVA (Analysis of Variance)

Question 3

Compare the test scores of the same group of students before and after they participate in a training course.

Accepted Answer

Paired t - test

Question 4

Test if the average IQ score of a group of students is significantly higher than 100 (the overall average IQ).

Accepted Answer

One - sample t - test

Question 5

Determine if there is a linear relationship between students' study time and test scores.

Accepted Answer

Correlational analysis

Question 6

Determine if there are significant differences in the effects of three different advertising strategies on product sales

Accepted Answer

ANOVA

Question 7

Test if a certain drug will change patients' blood pressure of the same group of patients before and after taking it.

Accepted Answer

Paired t - test

Question 8

Determine if there is an association between gender (male/female) and preference for learning English (yes/no).

Accepted Answer

Chi - square test

Question 9

Compare the satisfaction levels (satisfied/unsatisfied) of residents in four different regions with a certain product.

Accepted Answer

Chi - square test

Question 10

Explore the strength of the relationship between height and weight.

Accepted Answer

Correlational analysis

Questions 10