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Statistical Literacy

Test your understanding of Statistical Literacy with this quiz.

14 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

What is the probability of getting a head when flipping a fair coin?

  1. 1/2
  2. 1/3
  3. 1/4
  4. 1/5
Question 2 Multiple Choice (Single Answer)

What is the difference between a population and a sample?

  1. A population is a group of individuals, while a sample is a subset of that population.
  2. A population is a group of data, while a sample is a subset of that data.
  3. A population is a group of events, while a sample is a subset of those events.
  4. A population is a group of variables, while a sample is a subset of those variables.
Question 3 Multiple Choice (Single Answer)

What is the purpose of a histogram?

  1. To display the distribution of data.
  2. To compare two or more sets of data.
  3. To identify outliers in data.
  4. To make predictions about future data.
Question 4 Multiple Choice (Single Answer)

What is the difference between a mean and a median?

  1. The mean is the average of all the values in a data set, while the median is the middle value.
  2. The mean is the sum of all the values in a data set, while the median is the average of all the values.
  3. The mean is the most common value in a data set, while the median is the middle value.
  4. The mean is the largest value in a data set, while the median is the smallest value.
Question 5 Multiple Choice (Single Answer)

What is the probability of getting a sum of 7 when rolling two fair dice?

  1. 1/6
  2. 1/12
  3. 1/18
  4. 1/24
Question 6 Multiple Choice (Single Answer)

What is the difference between a correlation and a causation?

  1. A correlation is a relationship between two variables, while a causation is a cause-and-effect relationship.
  2. A correlation is a relationship between two variables, while a causation is a relationship between two events.
  3. A correlation is a relationship between two variables, while a causation is a relationship between two groups.
  4. A correlation is a relationship between two variables, while a causation is a relationship between two populations.
Question 7 Multiple Choice (Single Answer)

What is the purpose of a scatter plot?

  1. To display the relationship between two variables.
  2. To compare two or more sets of data.
  3. To identify outliers in data.
  4. To make predictions about future data.
Question 8 Multiple Choice (Single Answer)

What is the difference between a probability and a statistic?

  1. A probability is a measure of the likelihood of an event occurring, while a statistic is a measure of the characteristics of a population.
  2. A probability is a measure of the likelihood of an event occurring, while a statistic is a measure of the characteristics of a sample.
  3. A probability is a measure of the likelihood of an event occurring, while a statistic is a measure of the relationship between two variables.
  4. A probability is a measure of the likelihood of an event occurring, while a statistic is a measure of the distribution of data.
Question 9 Multiple Choice (Single Answer)

What is the difference between a random sample and a biased sample?

  1. A random sample is a sample in which every member of the population has an equal chance of being selected, while a biased sample is a sample in which some members of the population are more likely to be selected than others.
  2. A random sample is a sample in which every member of the population has an equal chance of being selected, while a biased sample is a sample in which some members of the population are less likely to be selected than others.
  3. A random sample is a sample in which every member of the population has an equal chance of being selected, while a biased sample is a sample in which some members of the population are more likely to be selected than others.
  4. A random sample is a sample in which every member of the population has an equal chance of being selected, while a biased sample is a sample in which some members of the population are less likely to be selected than others.
Question 10 Multiple Choice (Single Answer)

What is the difference between a hypothesis and a theory?

  1. A hypothesis is a tentative explanation for a phenomenon, while a theory is a well-substantiated explanation for a phenomenon.
  2. A hypothesis is a tentative explanation for a phenomenon, while a theory is a well-tested explanation for a phenomenon.
  3. A hypothesis is a tentative explanation for a phenomenon, while a theory is a well-supported explanation for a phenomenon.
  4. A hypothesis is a tentative explanation for a phenomenon, while a theory is a well-established explanation for a phenomenon.
Question 11 Multiple Choice (Single Answer)

What is the difference between a type I error and a type II error?

  1. A type I error is rejecting the null hypothesis when it is true, while a type II error is accepting the null hypothesis when it is false.
  2. A type I error is accepting the null hypothesis when it is false, while a type II error is rejecting the null hypothesis when it is true.
  3. A type I error is rejecting the null hypothesis when it is true, while a type II error is accepting the null hypothesis when it is true.
  4. A type I error is accepting the null hypothesis when it is false, while a type II error is rejecting the null hypothesis when it is false.
Question 12 Multiple Choice (Single Answer)

What is the difference between a confidence interval and a hypothesis test?

  1. A confidence interval is a range of values that is likely to contain the true population parameter, while a hypothesis test is a statistical procedure used to determine whether there is a significant difference between two groups.
  2. A confidence interval is a range of values that is likely to contain the true population parameter, while a hypothesis test is a statistical procedure used to determine whether there is a significant difference between two populations.
  3. A confidence interval is a range of values that is likely to contain the true population parameter, while a hypothesis test is a statistical procedure used to determine whether there is a significant difference between two samples.
  4. A confidence interval is a range of values that is likely to contain the true population parameter, while a hypothesis test is a statistical procedure used to determine whether there is a significant difference between two data sets.
Question 13 Multiple Choice (Single Answer)

What is the difference between a p-value and a significance level?

  1. A p-value is the probability of getting a test statistic as extreme as, or more extreme than, the observed test statistic, assuming the null hypothesis is true, while a significance level is the probability of rejecting the null hypothesis when it is true.
  2. A p-value is the probability of getting a test statistic as extreme as, or more extreme than, the observed test statistic, assuming the null hypothesis is false, while a significance level is the probability of rejecting the null hypothesis when it is true.
  3. A p-value is the probability of getting a test statistic as extreme as, or more extreme than, the observed test statistic, assuming the null hypothesis is true, while a significance level is the probability of accepting the null hypothesis when it is false.
  4. A p-value is the probability of getting a test statistic as extreme as, or more extreme than, the observed test statistic, assuming the null hypothesis is false, while a significance level is the probability of accepting the null hypothesis when it is true.
Question 14 Multiple Choice (Single Answer)

What is the difference between a regression line and a correlation coefficient?

  1. A regression line is a line that best fits the data points in a scatter plot, while a correlation coefficient is a measure of the strength and direction of the relationship between two variables.
  2. A regression line is a line that best fits the data points in a scatter plot, while a correlation coefficient is a measure of the strength of the relationship between two variables.
  3. A regression line is a line that best fits the data points in a scatter plot, while a correlation coefficient is a measure of the direction of the relationship between two variables.
  4. A regression line is a line that best fits the data points in a scatter plot, while a correlation coefficient is a measure of the strength and direction of the relationship between two data sets.
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