Line Plots
Stem-and-Leaf Plots
General Data
MMMR
Mixed Review
100
When making a line plot (dot plot), why is it important to include a title, labeled axis, and key?
a) To make it look prettier
b) To help others understand what the data represents
c) Because the teacher said so
d) To make it more complicated
b) To help others understand what the data represents
100
A stem-and-leaf plot shows test scores. If the stem 8 has leaves of 2, 4, 4, 5, 7, what scores are represented?
a) 8, 2, 4, 4, 5, 7
b) 82, 84, 84, 85, 87
c) 28, 24, 24, 25, 27
d) 80, 82, 84, 84, 87
b) 82, 84, 84, 85, 87
100
In Mrs. Smith's class, students recorded the number of pets they have at home. Which representation would be most appropriate to display this data?
Pie Chart, Line Plot, Bar Graph, or Stem-and-Leaf Plot
Line Plot
100
What are the three measures of center?
Mean, Median, and Mode
100
What is the decimal equivalent for 3/6?
0.5
200
How many recipes are represented in the line plot?
12 recipes
200
How many days did the owner spend collecting data on the number of cups of coffee sold?
16 days
200
Your class collected data about favorite ice cream flavors. Explain why a line plot would not be an appropriate way to display this data. What graph would be the better choice?
Line plots are used to represent numerical data, not categorical data. A bar graph would be a better choice for representing this data.
200
The heights (in inches) of plants in a garden are: 12, 14, 14, 15, 16, 16, 17
Find the median height. Explain what this median tells us about the plants.
Median = 15 inches
Explanation should note this is middle height/typical plant height. Half of the plants are shorter than 15 inches and half of the plants are taller than 15 inches.
200
Write three fractions that are equivalent to the decimal 0.2
1/5, 2/10, 20/100
300
What is the mode of the data?
2 cups of water
300
Find the median amount of cups sold.
22.5 cups of coffee
300
Which questions do NOT require the collection of data?
a) What ocean borders the east coast of the United States of America?
b) What was the height of the water in Virginia Beach during each low tide last week?
c) What is the height of each apple tree in the orchard?
d) What makes a Granny Smith apple taste sour?
b) What was the height of the water in Virginia Beach during each low tide last week?
c) What is the height of each apple tree in the orchard?
300
Maria tracked how many minutes she practiced piano each day for 2 weeks:
25, 20, 30, 15, 25, 25, 20, 30, 15, 20, 25, 30, 20, 25
What is the mode of this data? Explain what the mode tells us about Maria's practice habits.
Mode = 25 minutes
Explanation should note this is most frequent practice time
300
Write an example of something a student could write on their brain dump to help them remember the order of operations.
Includes all operations in the correct order, as well as emphasizes when solving from left to right is needed.
400
How many recipes use at least 1 cup of water?
7 recipes
400
If the number of coffee cups sold was equally shared, how many cups would be sold each day? What is another name for this measure of center?
21 cups of coffee
Mean or Average
400
After we collect data, we organize and analyze it. We can calculate the mean, median, mode, and range for a data set to help us analyze it. What are other names for these calculations? For example, mean is also known as _____.
Mean: Average or Fair Share
Median: Middle
Mode: Most common or Most frequent
Range: Spread or Variation
400
Temperature readings for week one: 75°, 72°, 78°, 76°, 75°, 78°, 80°
Temperature readings for week two: 32°, 36°, 61°, 55°, 45°, 61°, 30°
Find the range of temperatures for each week. Explain what the range tells us about the weather.
Week One Range = 8° (80° - 72°)
Week Two Range = 31° (61° - 30°)
Should explain range shows temperature variation. Week two's temperatures were more spread out than week one. If I was going on a trip during week two, it might be more difficult to pack appropriate outfits!
400
Write a list of the first seven prime numbers.
2, 3, 5, 7, 11, 13, 17
500
Students counted the number of books in their backpacks: 7, 3, 4, 2, 0, 5, 1, 2, 3, 2
Create a line plot to represent the data.
What is the average, or mean, amount of books in a backpack?
Data order for line plot: 0, 1, 2, 2, 2, 3, 3, 4, 5, 7
Mean/Average: 2.9 books
500
A teacher recorded her students' scores on their math test: 85, 88, 92, 87, 62, 90, 95, 87, 90
Create a stem-and-leaf plot to organize this data.
6 | 2
7 |
8 | 5,7,7,8
9 | 0,0,2,5
500
Your class wants to study how many minutes students spend reading each week. Write a question you could ask to collect this data. Explain how you would collect the data. Describe how you would organize and display the data.
How many minutes do you read each week?
Collect data from the class/fifth grade/school with a survey/poll.
Display the data with a line plot or stem-and-leaf plot.
500
Looking at this data: 2000, 3000, 3000, 4000, 8000
Which measure of center (mean, median, or mode) would best represent the typical value? Explain why.
Median or mode would be better than mean
Should explain about effect of outlier (8000)
500
Order the following fractions and decimals from least to greatest.
4/8, 14/10, 0.8, 0.004
0.004, 4/8, 0.8, 14/10