Chapter 1
Collecting data in Reasonable Ways
Chapter 2
Graphical Methods for Describing Data Distribition
Chapter 3
Numerical Methods for describing data distribution
Chapter 4
Describing bivariate numerical data
Chapter 5
Probability
100
The subset of the population for whom we have data, part of population that is selected for study.
What is Sample
100
Any characteristic whose value may change from one individual to another.
What is Variable.
100
Drawback to sample mean is that its value can be affected by.
What is Outliers
100
between 0 and 1
What is coefficient of determination.
100
event consisting of exactly one outcome.
What is Simple Event
200
If a variables effects cannot be distinguished from one another they are said to be.
What is Confounding variables.
200
_____ of each bar is proportional to the corresponding frequency or relative frequency.
What is Area
200
formula for Interquartile Range
What is Upper quartile- lower quartile
200
Determines whether sample correlation coefficient is negative or positive.
What is slope
200
If a dice is rolled 3 times how many possible outcomes are there?
What is 216.
300
A number that describes the sample.
What is Statistic.
300
10|2,3,4, 11|4,5,6 12|2,3,4, 13|1,2,3,
What is Stem and leaf plot: 102, 103, 104, 114, 115, 116, 122, 123, 124, 131, 132, 133
300
Tells you how may standard deviations a value is from the mean.
What is Z-score
300
Estimated regression line formula and what each letter represents.
What is y=a+bx a= yint, b= slope x= independent variable, y=dependent variable (optional)
300
Draw circles with events A,Band C that represent a compliment, union, intersection and disjoint events.
What is Dumebi will check
400
Design strategy which assigning several experimental units to each treatment.
What is Replication.
400
#of visits to fast food restaurant: 1, 2 ,3, 4 Corresponding Frequencies: 1, 2, 3, 2
What is Histogram y axis: Frequency, xaxis: # of fast food meals, bars are touching, numbers written in bars, title given
400
Name the meaning of the following variables: n, x, s, s^2, x̄
What is sample, variable, standard deviation, sample variance, sample mean
400
Formula of pearsons sample correlation coefficient and what letters represent.
What is (Dumebi has answer) r= sample correlation coeff, Zx=zscore of x, Zy= zscore of y, n=sample size
400
If E and F are 2 events P(E|F) give formula for conditional probability.
What is (Dumebi has answer)
500
Methods for summarizing the data. The summaries usually consist of graphs and numbers such as averages and percentages.
What is Descriptive Statistics
500
Bi-variate data: Temperatures: 60, 70, 80, 90 Sales: $100, $200, $300, $400
What is Scatter plot label x axis temp, y axis: Sales, include graph title
500
Formula for standard deviation
What is (Dumebi has answer)
500
Coefficient of determination formula
What is (Dumebi has formula)
500
If P(F)=0.231 and P(EnF)=0.053 find the conditional probability.
What is 0.053/0.231=0.2294
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