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– a month ago **files (2)** – ## Chapter16DataSet2.xlsx – ## InstructionsW2.docx **## Chapter16DataSet2.xlsx** ## Chapter 16 Data Set 2 | | | | — | — | | Time | Correct | | 14.50 | 5 | | 13.40 | 7 | | 12.70 | 6 | | 16.40 | 2 | | 21.00 | 4 | | 13.90 | 3 | | 17.30 | 12 | | 12.50 | 5 | | 16.70 | 4 …

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Assignment Prompt & Instructions

– a month ago

**files (2)**

– ## Chapter16DataSet2.xlsx

– ## InstructionsW2.docx

**## Chapter16DataSet2.xlsx**

## Chapter 16 Data Set 2

| | |
| — | — |
| Time | Correct |
| 14.50 | 5 |
| 13.40 | 7 |
| 12.70 | 6 |
| 16.40 | 2 |
| 21.00 | 4 |
| 13.90 | 3 |
| 17.30 | 12 |
| 12.50 | 5 |
| 16.70 | 4 |
| 22.70 | 3 |

**## InstructionsW2.docx**

Instructions

The attached dataset (
Chapter 16 Data Set 2.xlsx [Download Chapter 16 Data Set 2.xlsx](https://henderson.instructure.com/courses/24639/files/2662987/download?download_frd=1) ) contains results from a timed test:

·
**Time** = average response time per item

·
**Correct** = number of guesses taken to answer correctly

For this discussion, you will use
**Excel** to analyze the relationship between the two variables.

✅ Tasks

1.
**Run a Regression**

· Use Excel’s
**Data Analysis → Regression** tool.

· Set
**Correct (number of guesses)** as the
_response (dependent variable)_.

· Set
**Time (average response time)** as the
_predictor (independent variable)_.

2.
**Interpret the Results**

· Is response time significant in predicting the number of guesses? (use the p-value at the 0.05 level).

· What does the
**sign of the coefficient** tell you about the relationship?

3.
**State the Regression Equation**

· Write the equation in the form:

Correct=a+b(Time)

where
_a_ = intercept and
_b_ = slope (from Excel output).

4.
**Make a Prediction**

· Using your equation, predict the number of guesses if the average response time is
**15 seconds**. (Insert 15 into your equation and calculate by hand.)

**## InstructionsW2.docx**

Instructions

The attached dataset (
Chapter 16 Data Set 2.xlsx [Download Chapter 16 Data Set 2.xlsx](https://henderson.instructure.com/courses/24639/files/2662987/download?download_frd=1) ) contains results from a timed test:

·
**Time** = average response time per item

·
**Correct** = number of guesses taken to answer correctly

For this discussion, you will use
**Excel** to analyze the relationship between the two variables.

✅ Tasks

1.
**Run a Regression**

· Use Excel’s
**Data Analysis → Regression** tool.

· Set
**Correct (number of guesses)** as the
_response (dependent variable)_.

· Set
**Time (average response time)** as the
_predictor (independent variable)_.

2.
**Interpret the Results**

· Is response time significant in predicting the number of guesses? (use the p-value at the 0.05 level).

· What does the
**sign of the coefficient** tell you about the relationship?

3.
**State the Regression Equation**

· Write the equation in the form:

Correct=a+b(Time)

where
_a_ = intercept and
_b_ = slope (from Excel output).

4.
**Make a Prediction**

· Using your equation, predict the number of guesses if the average response time is
**15 seconds**. (Insert 15 into your equation and calculate by hand.)

**## Chapter16DataSet2.xlsx**

## Chapter 16 Data Set 2

| | |
| — | — |
| Time | Correct |
| 14.50 | 5 |
| 13.40 | 7 |
| 12.70 | 6 |
| 16.40 | 2 |
| 21.00 | 4 |
| 13.90 | 3 |
| 17.30 | 12 |
| 12.50 | 5 |
| 16.70 | 4 |
| 22.70 | 3 |

**## InstructionsW2.docx**

Instructions

The attached dataset (
Chapter 16 Data Set 2.xlsx [Download Chapter 16 Data Set 2.xlsx](https://henderson.instructure.com/courses/24639/files/2662987/download?download_frd=1) ) contains results from a timed test:

·
**Time** = average response time per item

·
**Correct** = number of guesses taken to answer correctly

For this discussion, you will use
**Excel** to analyze the relationship between the two variables.

✅ Tasks

1.
**Run a Regression**

· Use Excel’s
**Data Analysis → Regression** tool.

· Set
**Correct (number of guesses)** as the
_response (dependent variable)_.

· Set
**Time (average response time)** as the
_predictor (independent variable)_.

2.
**Interpret the Results**

· Is response time significant in predicting the number of guesses? (use the p-value at the 0.05 level).

· What does the
**sign of the coefficient** tell you about the relationship?

3.
**State the Regression Equation**

· Write the equation in the form:

Correct=a+b(Time)

where
_a_ = intercept and
_b_ = slope (from Excel output).

4.
**Make a Prediction**

· Using your equation, predict the number of guesses if the average response time is
**15 seconds**. (Insert 15 into your equation and calculate by hand.)

**## Chapter16DataSet2.xlsx**

## Chapter 16 Data Set 2

| | |
| — | — |
| Time | Correct |
| 14.50 | 5 |
| 13.40 | 7 |
| 12.70 | 6 |
| 16.40 | 2 |
| 21.00 | 4 |
| 13.90 | 3 |
| 17.30 | 12 |
| 12.50 | 5 |
| 16.70 | 4 |
| 22.70 | 3 |

**## InstructionsW2.docx**

Instructions

The attached dataset (
Chapter 16 Data Set 2.xlsx [Download Chapter 16 Data Set 2.xlsx](https://henderson.instructure.com/courses/24639/files/2662987/download?download_frd=1) ) contains results from a timed test:

·
**Time** = average response time per item

·
**Correct** = number of guesses taken to answer correctly

For this discussion, you will use
**Excel** to analyze the relationship between the two variables.

✅ Tasks

1.
**Run a Regression**

· Use Excel’s
**Data Analysis → Regression** tool.

· Set
**Correct (number of guesses)** as the
_response (dependent variable)_.

· Set
**Time (average response time)** as the
_predictor (independent variable)_.

2.
**Interpret the Results**

· Is response time significant in predicting the number of guesses? (use the p-value at the 0.05 level).

· What does the
**sign of the coefficient** tell you about the relationship?

3.
**State the Regression Equation**

· Write the equation in the form:

Correct=a+b(Time)

where
_a_ = intercept and
_b_ = slope (from Excel output).

4.
**Make a Prediction**

· Using your equation, predict the number of guesses if the average response time is
**15 seconds**. (Insert 15 into your equation and calculate by hand.)

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