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Understanding Terminology
Using Terminology
Categorize the Method of Gathering Data
Organizing Data
Steps To Averages and Variation
100
applies to data that can be arranged in order. Data at the ratio level has a meaningful zero
What is ratio level of measurement
100
the level of measurement that best desribes gender
What is nominal
100
Use computer software to determine the flight path of a goft ball when the speed of the goft club is changed
What is simulation
100
name of the equation: Largest data value subtracted by smallest data value divided by desired number of classes
What is class width
100
4 5 6 6 10 11 from this sample find the sample mean using the formula: x bar equals Ex divided by n
What is 7
200
applie to data that consist of names, labels, or categories
What is nominal level of measurement
200
level of measurement to best describe rank in high school
What is ordinal
200
Select ten new cars from a car lot and count the number of manufacturer defects for each of the cars
What is sampling
200
The lowest data vaule that can fit in a class and the largest data vaule that can fit into a class
What is lower class limit and upper class limit
200
Complete the table below to find the sample variance s squared. Data x- xbar (x- x bar)^2 4 5 6 6 10 11
What is -3, -2, -1, -1, 3,4 and 9, 4, 1,1, 9, 16
300
applies to data that can be arranged in order. Differences between data vaues are meaningful
What is intervel level of measurement
300
SAT scores for verbal and math tests best describes this level of measurement
What is interval
300
record the age of every person in the U.S.
What is census
300
the name of the equation: lower class limit plus upper class limit divided by two
What is midpoint
300
Find E (x - x bar) ^2 given that ...data vaules the (x-x bar)^2 values are 9,4,1,1,9,16
What is 40
400
applies to data that can be arranged in order but cannot be determined or have meaningful vaules
What is ordinal
400
grade point average in high school best describes this level of measurement
What is ratio
400
Teach one section of English composition using a specific word processing package and teach another without using any computerized word processing. Count number of grammer errors made by students in each section on a final draft of a term paper
What is experiment
400
the name for the equation: Class freuency divided by total of all frequencies
What is relative class frequency
400
Find s^2 = E(x-x bar)^2 / n- 1, if E (x-x bar)^2 = 40, and n is 6
What is 8
500
A variable is a chatacteristic of the individual to be measured or observed. If the data is from every individual of interest is this
What is population data
500
Kohl's wants to estimate the proportion of customers who buy cloths. A systematic sample of 100 customers is observes at the checkout counter and the number purchasing cloths is recorded. Identify the variable
What is customers
500
the population selected and every person of interest has the equal chance to get picked for the experiment
What is random sampling
500
The following data represents the total of sales made in a day, for the employess at Areo. The data has been sorted in increasing order. Four Classes are ideal. 24 25 27 27 30 35 35 35 38 39 40 40 45 45 47 52 52 55 58 Find the class width, class limits, midpoint, frequency, and relative frequency
What is Class width: 9, Class limits: 24-33, 34-43, 44-53, 54-63 Midpoint: 28.5, 38.5,48.5, 58.5 Frequency: 5, 7, 5, 2 Relative frequency 0.26, 0.37, 0.26, 0.11
500
Find s= square root of s^2,If s^2 equals 8
What is 2.8