Analyzing Data Final Review

Front

What type of inferential statistics test should be performed to determine if gender is related to fingerprint type?

Back

Chi-Squared

Tags

NGSS.HS-LS4-3

Front

What does a p-value higher than the significance level indicate about the null hypothesis (Ho)?

Back

The null hypothesis is rejected.

Front

True/False: The chi-squared analysis is calculated by dividing the total number of values by the number of possible outcomes.

Back

True

Front

What does r=-1 represent in terms of correlation?

Back

Perfect negative correlation.

Front

True/False: Before analyzing data, it is important for all data to be expressed in the same units they were recorded in, even if they vary in the data sets.

Back

True

Front

What is the purpose of a Chi-Squared test?

Back

To determine if there is a significant association between two categorical variables.

Front

What is the significance of a p-value less than 0.05 in hypothesis testing?

Back

It indicates strong evidence against the null hypothesis, leading to its rejection.

Front

Define correlation in the context of statistics.

Back

Correlation measures the strength and direction of a linear relationship between two variables.

Front

What does a T-Test compare?

Back

It compares the means of two groups to determine if they are statistically different from each other.

Front

What is the null hypothesis (Ho)?

Back

The null hypothesis is a statement that there is no effect or no difference, and it is the hypothesis that researchers aim to test.