# Lesson 1Connect the DotsDevelop Understanding

Use the dot plot to answer problems 1–2.

### 1.

What is the median for this data set?

### 2.

What is the range for the data set?

Use the data set shown for problems 3–6.

### 3.

Create a dot plot for the data set.

### 4.

Find the measures of central tendency (mean and median) for the data set in problem 3.

### 5.

Create a box plot for the data set.

### 6.

Which measure of central tendency stands out in a box plot?

## Set

### 7.

Match the scatterplots with the correct correlation coefficients.

1. ___

2. ___

3. ___

4. ___

5. ___

6. ___

Use technology to find the correlation coefficient for each data set.

GPA

ACT score

### 9.

Time (hours)

Packages on Truck

### 10.

State two things that you know for sure about a data set, if the correlation coefficient is greater than .

### 11.

State two things that you know for sure about a data set, if the correlation coefficient is .

## Go

Create an explicit equation for each sequence. Use your equation to find the desired term of the sequence.

### 12.

Explicit equation:

Find .

### 13.

Explicit equation:

Find .

### 14.

Explicit equation:

Find .

### 15.

Explicit equation:

Find .

### 16.

Explicit equation:

Find .

### 17.

Explicit equation:

Find .

Find the inverse function.