Statistics
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Define population | show 🗑
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| show | Some subset of the population intended to represent the population
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| Define sampling unit | show 🗑
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| Define sampling frame | show 🗑
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| Define census | show 🗑
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| Define simple random sample | show 🗑
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| show | -No bias
-Easy
-Cheap
-Equal selection chance
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| Disadvantages of simple random sample | show 🗑
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| show | -Elements ordered into list
-Every kth element
-k=pop size/samp size
-Start at random number between 1 and k
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| Advantages of systematic sample | show 🗑
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| Disadvantages of systematic sample | show 🗑
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| Define stratified sample | show 🗑
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| show | -Reflects population structure
-Proportional representation within population
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| Disadvantages of stratified sample | show 🗑
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| show | -Population divided into groups according to sampling frame
-Interviewer selects quotas to reflect groups proportions
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| Advantages of quota sample | show 🗑
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| Disadvantages of quota sample | show 🗑
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| Define opportunity sample | show 🗑
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| Advantages of opportunity sample | show 🗑
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| Disadvantages of opportunity sample | show 🗑
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| What is the equation for a stratified sample | show 🗑
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| What is the difference between qualitative and quantitative data | show 🗑
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| What is the difference between discreet and continuous data | show 🗑
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| show | Greater than Q3+k(Q3-Q1)
Less than Q1-k(Q3-Q1)
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| Define cleaning the data | show 🗑
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| What do we plot for cumulative frequency diagrams | show 🗑
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| What is the equation for frequency density | show 🗑
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| When do we use a histogram | show 🗑
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| show | Discreet data
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| show | -Measure of location
-Measure of spread
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| show | X
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| show | Y
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| Define bivariate | show 🗑
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| Define causal relationship | show 🗑
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| Define interpolation | show 🗑
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| Define extrapolation | show 🗑
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| What is the purpose of a regression line | show 🗑
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| When can we use regression lines | show 🗑
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| Define mutually exclusive | show 🗑
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| show | P(A)+P(B)
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| Define independent events | show 🗑
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| show | P(A) x P(B)
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| Define random variable | show 🗑
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| show | All probabilities are the same
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| show | 1
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| When can you model a random variable with a binomial distribution | show 🗑
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| show | P(X≤Y-1)
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| P(X≥Y)= | show 🗑
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| P(X>Y)= | show 🗑
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| show | The result of the experiment or the statistic that is calculated
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| show | The hypothesis you assume to be correct
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| Define alternate hypothesis | show 🗑
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| show | A region of the probability distribution which if the test statistic falls within it would cause you to reject the null hypothesis
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| Define critical value | show 🗑
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| What is the actual significance level | show 🗑
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| What are the steps of a one tailed hypothesis test | show 🗑
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| show | Halve the significance level
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| show | loga+nlogx
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| show | logk+xlogb
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| What does the PMCC describe | show 🗑
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| When can the PMCC be used | show 🗑
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| If we are hypothesis testing for correlation what are the null and alternate hypothesis | show 🗑
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| show | P(P|A)
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| What is the rule for independent events and conditional probability | show 🗑
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| show | P(A∪B)
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| (P(B∩A))/(P(A))= | show 🗑
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| What are the probability symbols for and and or | show 🗑
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Created by:
Liam P
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