Statistical Analysis with StatCrunch

Statistical Analysis with StatCrunch

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Thomas White

FREE Resource

This video tutorial teaches how to compute confidence intervals for the mean difference of paired data using StatCrunch. It uses a fictitious weight loss program dataset to explore whether there is a significant decrease in participants' weight. The tutorial guides viewers through setting up a paired t confidence interval in StatCrunch, interpreting the results, and saving differences for future use.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main topic of the video tutorial?

Using StatCrunch for regression analysis

Computing confidence intervals for the mean difference of paired data

Analyzing variance in datasets

Calculating mean differences for unpaired data

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the dataset used in the video based on?

A fictitious weight loss program

A survey on exercise routines

A real-world weight loss program

A study on dietary habits

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many participants are represented in the dataset?

15

20

10

25

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the statistical question being investigated in the video?

Is there a change in dietary habits?

Is there a correlation between exercise and weight loss?

Is there a significant decrease in the typical weight of a program participant?

Is there a significant increase in weight?

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which columns are selected for sample one and sample two in StatCrunch?

Weight after and weight before

Diet before and diet after

Weight before and weight after

Height before and height after

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of computing a paired t confidence interval?

To calculate the median of a dataset

To determine the mean difference between paired data

To compare two unrelated datasets

To analyze variance within a single dataset

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of using paired data in this analysis?

It allows for comparison between unrelated groups

It helps in analyzing the same subjects before and after an intervention

It reduces the complexity of the dataset

It increases the sample size

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