Populations & Samples
when coolecting data the ___________ references the entire group.
what is, population
What is a median?
what is, the middle number
write this data from least to greatest,
48, 86, 15, 27, 18, 52, 103
what is, 15, 18, 27, 48, 52, 86, 103
Fill in the blank
when the data is skewed then the ______ is the bast representation of the data.
what is, median
A survey is taken of favorite sports in seventh grade but only girls are surveyed is this a random sample?
what is, not a random sample
which way do you order the data?
what is, least to greatest
1+1
what is, 2
When the data is symmetric then the _______ is the best representation of the data
what is, mean
a sample is a ____ of the population and should be representative of the group
what is, portion!
the mean can be thought of as determinating the _____ _______.
what is, fair share
Fill in the blank, finding the median of the lower and upper ________?
what is, quartiles
what is a dot plot?
A simple effective data visualization tool that represents the frequency of numerical data points using dots placed above a labeled number line.
Data collected from the sample is called a _______ _________
what is, sample static
the following data set represents the number of menu items at 7 local restaurants
35, 24, 50, 22, 32, 28, 46
what is the median?
what is, 32
Find the mean absolute deeviation for the set of values?
108, 53, 47, 22, 56, 62
what is, 18
On a dot plot representing test scores, what does a single dot directly above the number 85 represet?
One student scored an 85
what are the advantages and disadvantages of collecting data from a population versus a sample?
What is, surveying a population gives accurate information on the entire group. (docent have to be the exact words)
mr harris states that the numbers on the cards below have a mean of 12 what number is missing to make mr harris correct
18, 13, 12, 14, 11, __
what is, 4
The number of students in 10 kindergarten classes are shown below.
20, 18, 21, 18, 22, 24, 18, 23, 23, 24
what is the median number of students in the kindergarden class?
what is, 21.5
A dot plot has a large cluster of dots at 2 and 3, with one dot far to the right at 10. What is the value 10 called?
What is, An outlier