What is the number that appears the most in the data set.
Find Q1, Q3, Median, Minimum, and Maximum
11, 12, 13, 11, 12, 15, 18, 16, 19, 21, 22
Minimum- 11
Q1- 11
Median- 13
Q3- 19
Maximum- 22
All of these: the mean, mode, and median is included in a five number summary. True or false?
False, its just the Median.
What is Mode?
The number that occurs most often in a set of data
The three measures of central tendency are a single number that ___________ all the values in a data set.
Summarizes
The range is defined as..
What is the difference between the maximum and minimum?
__________ gives more weight to outliers than _________ does.
Mean gives more weight to outliers than median does.
What is the other name for a box plot?
A box and whisker plot
Find the Mean of the set:
2, 5, 5
4
The average score on the last 6th grade math test.
What is the five number summary?
min = 68
max = 98
Q1 = 78
Q2 = 85
Q3 = 93
Explain the steps to find the mean.
1. Add all the data
2. Divide the total by the number of data
What is the range for class 1 and class 2?
class 1 = 70
class 2 = 70
What are the three shapes of dot plot?
Symmetric
Skewed Left
Skewed Right
Find the Mode of the following set of data
11, 12, 13, 11, 12, 15, 18, 16, 19, 21, 22, 12
12
Find the Median of the set
11, 12, 13, 11, 12, 15, 18, 16, 19, 21, 22
13
You find the median by doing...
What is ordering them from least to greatest, crossing them out till you find the middle number. (If there are two numbers find the mean)
Who was the 1st president of the US?
Is this a statistical or non-statistical question?
Non - Statistical
The distribution with the largest percentage of students 66 inches or shorter
What is the IQR for Boys and Girls?
Boys = 5
Girls = 3
What are two characteristics of a histogram?
1. The bars are connected
2. Each bar shows a range of numbers
Explain how do you find the range of the given set of data
Range is the difference between the greatest and the least data.
Describe the parts of a histogram (ex: how many titles)
1. The histogram must have three titles (main idea, x and y axis)
2. An appropriate scale (they must be in intervals)
3. Bars that touch
80 - 42 + 24 - 32
79
Which data most likely have variability for one school during a single school year?
A. The number of students absent each day
B. The amount of time for lunch period each day
C. The cost of slice of cheese pizza each day
A
Explain how to find the mean of a set of data.
All up all the numbers and divide by the amount of numbers given.
What are the types of graphs that can be used to represent Numeric Data (name 3)
Dot Plot
Stem and Leaf
Histograms
Box/whisker Plot