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Create and Interpret Dot Plots (Line Plots)>
Create and Interpret Dot Plots (Line Plots) 1Create and Interpret Dot Plots (Line Plots) 1
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Question 1 of 9
1. Question
Create a dot plot using the data set below.`3` `3` `3` `3` `4` `5` `5` `5` `5` `5` `7` Correct
Well Done!
Incorrect
A dot plot is a number line that contains all possible scores from a data set and uses dots to represent frequency.First, find the highest and the lowest score.`\text(Highest Score)` `=` `7` `\text(Lowest Score)` `=` `3` Create a number line with with ascending values from the lowest to highest scores
Next, read across the data while placing a dot above the corresponding score.`3` `3` `3` `3` `4` `5` `5` `5` `5` `5` `7` 
Continue doing this until all scores are accounted for.
To check, count the total dots and make sure it is equal to the number of given scores, which is `11`.
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Question 2 of 9
2. Question
Create a dot plot using the data set below.`15` `14` `14` `14` `17` `15` `20` `18` `17` `13` `15` `23` `17` `12` `14` `12` `20` Correct
Excellent!
Incorrect
A dot plot is a number line that contains all possible scores from a data set and uses dots to represent frequency.First, find the highest and the lowest score.`\text(Highest Score)` `=` `23` `\text(Lowest Score)` `=` `12` Create a number line with with ascending values from the lowest to highest scores
Next, read across the data while placing a dot above the corresponding score.`15` `14` `14` `14` `17` `15` `20` `18` `17` `13` `15` `23` `17` `12` `14` `12` `20` 
Continue doing this until all scores are accounted for.
To check, count the total dots and make sure it is equal to the number of given scores, which is `17`.
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Question 3 of 9
3. Question
Create a dot plot using the data set below.Life Expectancy Country Years Country Years Rwanda 60 Albania 74 Senegal 64 Libya 75 Pakistan 67 Colombia 75 Papua New Guinea 68 Bulgaria 75 Nepal 69 Capa Verde 75 North Korea 69 Grenada 77 Iraq 69 Dominica 78 Egypt 73 Iceland 83 Correct
Keep Going!
Incorrect
A dot plot is a number line that contains all possible scores from a data set and uses dots to represent frequency.First, find the highest and the lowest score.`\text(Highest Score)` `=` `83` `\text(Lowest Score)` `=` `60` Create a number line with with ascending values from the lowest to highest scores
Next, read across the data while placing a dot above the corresponding score.Country Years Country Years Rwanda `60` Albania 74 Senegal `64` Libya 75 Pakistan `67` Colombia 75 Papua New Guinea 68 Bulgaria 75 Nepal 69 Capa Verde 75 North Korea 69 Grenada 77 Iraq 69 Dominica 78 Egypt 73 Iceland 83 
Continue doing this until all scores are accounted for.
To check, count the total dots and make sure it is equal to the number of given scores, which is `16`.
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Question 4 of 9
4. Question
The scores for a game are represented on the dot plot below. Find the mode.
- `\text(Mode )=` (7)
Hint
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Great Work!
Incorrect
The mode of a data set is the value with the highest frequencyThe mode of a dot plot is represented by the score with the most dots.
We can see that the score `7` has `6` dots, and is the most frequent score on the dot plot.Therefore, the mode for this data set is `7``\text(Mode)=7` -
Question 5 of 9
5. Question
Find the mode of the dot plot below.
- `\text(Mode )=` (7)
Correct
Nice Job!
Incorrect
The mode of a data set is the value with the highest frequencyThe mode of a dot plot is represented by the score with the most dots.
We can see that the score `7` has `5` dots, and is the most frequent score on the dot plot.Therefore, the mode for this data set is `7``\text(Mode)=7` -
Question 6 of 9
6. Question
The scores for a game are represented on the dot plot below. Find the range.
- `\text(Range )=` (8)
Hint
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Range Formula
`\text(Highest Score)``-``\text(Lowest Score)`Remember
The range of a data set is simply the difference between the largest and smallest values.First, find the highest and the lowest score on the dot plot. Both points must have dots.
`\text(Highest Score)` `=` `11` `\text(Lowest Score)` `=` `3` Finally, subtract the lowest score from the highest score to get the range`\text(Range)` `=` `\text(Highest Score)``-``\text(Lowest Score)` Finding the range `=` `11``-``3` Substitute values `=` `8` Evaluate `\text(Range)=8` -
Question 7 of 9
7. Question
Find the median of the dot plot below.
- `\text(Median )=` (11)
Hint
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Incorrect
The median is the middle value in an ordered set of data.Take note that there is a total of `20` scores on the dot plot, which is an even number.Therefore, the median of the data set will be the average of the scores on the `10th` and `11th` positions.
`\text(Median)` `=` `(11+11)/2` `=` `22/2` `=` `11` `\text(Median)=11` -
Question 8 of 9
8. Question
Find the median of the dot plot below.
- `\text(Median )=` (15)
Correct
Well Done!
Incorrect
The median is the middle value in an ordered set of data.Take note that there is a total of `17` scores on the dot plot, which is an odd number.Therefore, the median of the data set will be the score on the `9th` position.
`\text(Median)=15` -
Question 9 of 9
9. Question
Find the mean of the dot plot below.
Round your answer to two decimal places- `\text(Mean )=` (2.36)
Correct
Nice Job!
Incorrect
Mean Formula
$$\text{Mean}=\frac{\color{#00880a}{\sum x}}{\color{#e85e00}{N}}$$Remember
$$ \color{#00880a}{{\small\sum} x} $$ is the sum of all the given values.`N` is the number of given values.First, solve for the sum of the given values.The number of dots on a value indicates how many times a score occurs on the data set.$$ \color{#00880a}{{\small\sum} x} $$ `=` `1+(2xx7)+(3xx2)+5` `=` `26` Next, divide the sum of all values $$( \color{#00880a}{{\small\sum} x} )$$ by the number of values (`N`).`\text(Mean)` `=` $$\frac{\color{#00880a}{{\small\sum} x}}{\color{#e85e00}{N}}$$ Finding the mean `=` $$\frac{\color{#00880a}{26}}{\color{#e85e00}{11}}$$ There are `11` given values `=` `2.36` Rounded to two decimal places `\text(Mean)=2.36`
Quizzes
- Find Mean, Mode, Median and Range 1
- Find Mean, Mode, Median and Range 2
- Find Mean, Mode, Median and Range 3
- Create Frequency Tables & Graphs
- Interpret Frequency Tables 1
- Interpret Frequency Tables 2
- Create and Interpret Bar & Line Graphs (Histograms)
- Interpret Cumulative Frequency Tables and Charts 1
- Interpret Cumulative Frequency Tables and Charts 2
- Create Grouped Frequency Tables and Graphs
- Interpret Grouped Frequency Tables
- Create and Interpret Dot Plots (Line Plots) 1
- Create and Interpret Dot Plots (Line Plots) 2
- Finding the Interquartile Range 1
- Finding the Interquartile Range 2
- Create and Interpret Box & Whisker Plots 1
- Create and Interpret Box & Whisker Plots 2
- Create and Interpret Box & Whisker Plots 3
- Create and Interpret Box & Whisker Plots 4
- Create and Interpret Stem & Leaf Plots 1
- Create and Interpret Stem & Leaf Plots 2
- Create and Interpret Stem & Leaf Plots 3
- Create and Interpret Stem & Leaf Plots 4