An entire group of objects, individuals, or events is a _____________.
What is Population
Evan and Josh are on the basketball team. The table shows the amount of time each spent practicing basketball. What is the mean for the number of hours Evan spent practicing basketball each week?
6.5 hours
What is the median of the following box plot?
What is 21 points.
Which dot plot is more symmetrical? Top or bottom?
What is the top plot.
Negative
Melanie wants to know if people like pets in the house. She asks the question, "Do you like dogs in your house?". Is the questions biased or unbiased?
What is biased.
In the following dot plots, what is the range?
What is 7.
What is the minimum and maximum value in the box plot?
What are 17.5 and 22.5.
What are the two medians of the box plots below?
What are 43 and 51 (about).
No association
Roberto wants to know the favorite sport of adults in his hometown. He surveys 50 adults at a baseball game. Is this sample biased or unbiased?
What is biased.
In the following dot, what is the mean of the data. (Round to the nearest tenth)
31.6
What percent of the data is between Q1 and Q3?
What is 50% of the data.
What is the difference of the ranges?
What is 4.
Describe the association between the number of lanes rented and the number of people bowling.
Positive Linear Association
James is buying drinks for the 7th grade party. He randomly sampled students to determine which drink they would like to have. Out of the 15 students, 3 of them chose lemonade. There are 150 students in the 7th grade. How many students should James estimate would like to have lemonade?
30 students
Find the mean, median, mode, and range
92, 90, 81, 89, 82, 85, 82, 89,
Mean: 86.3 (rounded to the nearest tenth)
Median: 87
Mode: 89 & 82
Range: 11
What is the Interquartile Range?
What is 5.
Which graph has a greater Q3?
What is Store B.
25 hours
A university has 30,330 students. In a random sample of 270 students, 18 speak three or more languages. Predict the number of students at the university who speak three or more languages.
What is 2,022 students
Potato chip bags are filled based on weight. At a potato chip factory the weights of 10 randomly selected bags are listed below. The measure of center for the bags must be within 0.31 or 235 grams.
Below are the measures of the weights of the 10 sample bags. Find the MEAN. Round to the hundredths if needed.
235.17
What is the difference between the median and the range?
What is 6.
The IQRs for both graph is 10. TRUE or FALSE. The difference between the medians is exactly half the IQR.
What is false.
35