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stat 201 final exam practice questions
and answers
The standard deviation of the sampling distribution is ? - ANSWER✔✔-standard error
The best guess of what the parameter might be based on the sample statistic calculated is the -
ANSWER✔✔-Point estimate
The Midpoint of the Confidence Interval is the - ANSWER✔✔-Point estimate
Measurement that describes how far a point estimate falls from the parameter value given in the null
hypothesis in terms of the number of standard error is the - ANSWER✔✔-Test statistic
Measurements that describe the probability of getting the sample result or one more extreme if the
hypothesized value is true is the - ANSWER✔✔-Pvalue
Independent then you do what kind of test? - ANSWER✔✔-Two sample
Dependent you do what type of test? - ANSWER✔✔-Paired t test
same people or matches is - ANSWER✔✔-Dependent
You never ________ Ho - ANSWER✔✔-Accept
What type of hypothesis test is preformed for ≠ - ANSWER✔✔-Two tailed
What type of hypothesis test is preformed for > - ANSWER✔✔-Right failed
What type of hypothesis test is preformed for < - ANSWER✔✔-Left tailed
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, Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024
When we start the hypothesis test what do we assume is the true population mean? - ANSWER✔✔-The
number in the null
How many standard errors fall between the the sample mean and the hypothesized mean is the -
ANSWER✔✔-Test statistic
Is the confidence interval guaranteed to have the right answer? - ANSWER✔✔-no
graphs for categorical variables: - ANSWER✔✔-pie chart, bar graph, pareto chart
graphs for quantitative variables: - ANSWER✔✔-dot plot, stem and leaf plot, histogram
what type of measurement is used for categorical? - ANSWER✔✔-proportions
what type of variable is used for quantitative? - ANSWER✔✔-means
population: - ANSWER✔✔-all (or every) item. Results are called parameters
Sample: - ANSWER✔✔-a portion of the population. Generally you will be told that a specific number of
items is sampled. Results are called statistics.
discrete quantitative variable: - ANSWER✔✔-number of
continuous quantitative variable: - ANSWER✔✔-Measurements
categorical: - ANSWER✔✔-not numbers (except zip codes etc)
Tables for one categorical variable are called - ANSWER✔✔-Summary tables
Table for two or more categorical variable are called - ANSWER✔✔-Contingency tables
graphs for categorical variables: - ANSWER✔✔-pie chart, bar graph, pareto chart
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stat 201 final exam practice questions
and answers
The standard deviation of the sampling distribution is ? - ANSWER✔✔-standard error
The best guess of what the parameter might be based on the sample statistic calculated is the -
ANSWER✔✔-Point estimate
The Midpoint of the Confidence Interval is the - ANSWER✔✔-Point estimate
Measurement that describes how far a point estimate falls from the parameter value given in the null
hypothesis in terms of the number of standard error is the - ANSWER✔✔-Test statistic
Measurements that describe the probability of getting the sample result or one more extreme if the
hypothesized value is true is the - ANSWER✔✔-Pvalue
Independent then you do what kind of test? - ANSWER✔✔-Two sample
Dependent you do what type of test? - ANSWER✔✔-Paired t test
same people or matches is - ANSWER✔✔-Dependent
You never ________ Ho - ANSWER✔✔-Accept
What type of hypothesis test is preformed for ≠ - ANSWER✔✔-Two tailed
What type of hypothesis test is preformed for > - ANSWER✔✔-Right failed
What type of hypothesis test is preformed for < - ANSWER✔✔-Left tailed
Copyright ©Stuvia International BV 2010-2024 Page 1/5
, Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024
When we start the hypothesis test what do we assume is the true population mean? - ANSWER✔✔-The
number in the null
How many standard errors fall between the the sample mean and the hypothesized mean is the -
ANSWER✔✔-Test statistic
Is the confidence interval guaranteed to have the right answer? - ANSWER✔✔-no
graphs for categorical variables: - ANSWER✔✔-pie chart, bar graph, pareto chart
graphs for quantitative variables: - ANSWER✔✔-dot plot, stem and leaf plot, histogram
what type of measurement is used for categorical? - ANSWER✔✔-proportions
what type of variable is used for quantitative? - ANSWER✔✔-means
population: - ANSWER✔✔-all (or every) item. Results are called parameters
Sample: - ANSWER✔✔-a portion of the population. Generally you will be told that a specific number of
items is sampled. Results are called statistics.
discrete quantitative variable: - ANSWER✔✔-number of
continuous quantitative variable: - ANSWER✔✔-Measurements
categorical: - ANSWER✔✔-not numbers (except zip codes etc)
Tables for one categorical variable are called - ANSWER✔✔-Summary tables
Table for two or more categorical variable are called - ANSWER✔✔-Contingency tables
graphs for categorical variables: - ANSWER✔✔-pie chart, bar graph, pareto chart
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