Maths-

General

Easy

Question

# Use the given data to answer the questions and construct the scatter plots

Age vs. Number of Baby Teeth

a) Which variable should be the independent variable (x-axis) and which should be the dependent variable (y-axis)?

b) Should you use a broken axis? Why or why not?

c) Construct the scatter plot.

Hint:

### The independent variable is the cause and is independent of any other variables. The dependent variable is the effect and depends on the independent variable. A broken axis is used to shrink a particular large segment and enhance readability for the smaller segments in your graph.

We are asked to find the independent and dependent variable, whether a broken axis should be used and to construct a scatter plot.

## The correct answer is: We are asked to find the independent and dependent variable, whether a broken axis should be used and to construct a scatter plot.

### Step 1 of 3:

As you get older, your baby teeth fall off and get replaced by permanent teeth. So, the number of baby teeth depends on your age. The younger you are, the more baby teeth you have.

So, age is the independent variable and baby teeth are the dependent variable.

Step 2 of 3:

We use a broken axis when we have to skip a large segment of values to concentrate on higher values. Here, the interval of values corresponding to both the axis is comparatively small.

So, a broken axis is not necessary for the given data.

Step 3 of 3:

The coordinate points corresponding to the given table is:

(5,20),(6,19),(7,17),(8,10),(9,10),(11,4),(11,2),(12,2)

The vertical axis is called the y- axis and the horizontal axis is called the x- axis. Most of the time, we write the independent variable on the x- axis and the dependent variable on the y- axis.

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### Use the given data to answer the questions and construct the scatter plots.

Age vs. Weekly Allowance

a) Which variable should be the independent variable (x-axis) and which should be the dependent variable (y-axis)?

b) What scale and interval should you use for the y-axis?

c) Construct the scatter plot.

### Use the given data to answer the questions and construct the scatter plots.

Age vs. Weekly Allowance

a) Which variable should be the independent variable (x-axis) and which should be the dependent variable (y-axis)?

b) What scale and interval should you use for the y-axis?

c) Construct the scatter plot.

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a) How many students were surveyed?

b) How many people support school uniforms?

c) As a percent to the nearest hundredth, What is the relative frequency of students who support school uniforms?

Rounding to the nearest hundredth means the rounding of any decimal number to its nearest hundredth value.

a) How many students were surveyed?

b) How many people support school uniforms?

c) As a percent to the nearest hundredth, What is the relative frequency of students who support school uniforms?

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Rounding to the nearest hundredth means the rounding of any decimal number to its nearest hundredth value.

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### Show the conjecture is false by finding a counterexample. If the product of two numbers is positive, then the two numbers must both be positive.

### Show the conjecture is false by finding a counterexample. If the product of two numbers is positive, then the two numbers must both be positive.

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### Use the given data to answer the questions and construct the scatter plots.

Pathfinder Character Level vs. Total Experience Points

a) Which variable should be the independent variable (x-axis) and which should be the dependent variable (y-axis)?

b) What scale and interval should you use for the x-axis?

c) Construct the scatter plot.

### Use the given data to answer the questions and construct the scatter plots.

Pathfinder Character Level vs. Total Experience Points

a) Which variable should be the independent variable (x-axis) and which should be the dependent variable (y-axis)?

b) What scale and interval should you use for the x-axis?

c) Construct the scatter plot.

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### This scatter plot shows the hours of TV watched per week versus the GPA on a 4.0 scale for a group of students. Explain why the drawn line of best fit is accurate or why not.

### This scatter plot shows the hours of TV watched per week versus the GPA on a 4.0 scale for a group of students. Explain why the drawn line of best fit is accurate or why not.

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### This scatter plot shows the age in years versus the height in inches of a group of children. Explain why the drawn line of best fit is accurate or why not.

### This scatter plot shows the age in years versus the height in inches of a group of children. Explain why the drawn line of best fit is accurate or why not.

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### This scatter plot shows the hours a cubic foot of ice was exposed to sunlight versus the amount of ice that melted in cubic inches. Draw an informal line of best for the given scatter plots.

### This scatter plot shows the hours a cubic foot of ice was exposed to sunlight versus the amount of ice that melted in cubic inches. Draw an informal line of best for the given scatter plots.

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### This scatter plot shows the amount copper in water in ppm versus plant growth in cm over three months. Draw an informal line of best for the given scatter plots.

### This scatter plot shows the amount copper in water in ppm versus plant growth in cm over three months. Draw an informal line of best for the given scatter plots.

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### Show the conjecture is false by finding a counterexample. The square root of any positive integer x is always less than x.

### Show the conjecture is false by finding a counterexample. The square root of any positive integer x is always less than x.

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### Construct a scatter plot for the following data set using appropriate scale for both the x and y-axis.

This table shows the number of hours students slept the night before their math test and their scores.

### Construct a scatter plot for the following data set using appropriate scale for both the x and y-axis.

This table shows the number of hours students slept the night before their math test and their scores.

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