Vocabulary
Survey
Box and Whisker
Normal Distribution
100
A smaller group of individuals selected from a larger population that is surveyed to gather data and make inferences about the entire population.
What is a sample?
100
In a survey of the size of apples in an orchard, each apple was measured for its diameter. 100 apples were picked from every 3rd tree in the orchard.
The population is _______.
What is apples in the orchard?
100
Draw a box and whisker plot on the number line below. Label the:
Minimum- 23
Q1- 25.5
Median- 27
Q3- 29.5
Maximum- 30
Check with coach Linnell
100
Another name for a normal distribution is this. The name is because________.
What is a bell curve? This is because the curve looks like a bell.
200
A measure of center of the data.
What is the central tendency?
200
In a survey of the size of apples in an orchard, each apple was measured for its diameter. 100 apples were picked from every 3rd tree in the orchard.
The sample of the problem is _______.
What is the 100 apples measured?
200
Use the data to create a box and whisker plot on the number line below.
22, 24, 25, 23, 26, 28, 29, 30
Check with coach Linnell
200
The percentages in each section of a bell curve differ depending on the data. True or False?
False
300
A measure of how far apart each data point is on average.
What is the spread of data?
300
In a survey of the size of apples in an orchard, each apple was measured for its diameter. 100 apples were picked from every 3rd tree in the orchard.
The strategy to choose the sample in this question.
What is systematic?
300
Box and Whicker plots tell us this about the data?
What is the central tendency and spread of the data?
300
How confident would you be that data would fall between three standard deviations of the mean?
99.7%
400
Around 68% of values are within 1 standard deviation of the mean. Around 95% of values are within 2 standard deviations of the mean. Around 99.7% of values are within 3 standard deviations of the mean.
What is the empirical rule?
400
The number of elements in A and B.
What is 400?
400
What does IQR stand for and when would we use it?
Inner Quartile Range
When their is an outlier
400
10 8 6 12 9
Mean:
Standard Deviation:
mean: 9
standard deviation: 2
500
An interval which is expected to contain the parameter being estimated.
What is a confidence interval?
500
The number of elements in A or B.
What is 1,660?
500
Box and whisker plot are divide into 4 sections. Each section has ____% of the data in it.
What is 25%?
500
10 8 6 12 9
How confident would you be that the data would fall between the intervals 3 and 11?
What is 83.85%