Test 9.5 Which one of the following does enable to make statements about a general population using the results of a random sample from that population?Question 2Answera.Prescriptive Statisticsb.Inferential Statisticsc.Descriptive Statisticsd.Diagnostics Statistic

A random sample of 10 observations is selected from a normal population with an unknown standard deviation. To conduct a test of hypothesis about the population mean the appropriate degrees of freedom isQuestion 3Select one:a.10b.None of the abovec.11d.9Clear my choice

Which of the following accurately describes a hypothesis test?​Group of answer choices​An inferential technique that uses the data from a sample to draw inferences about a population​A descriptive technique that allows researchers to describe a sample​An inferential technique that uses information about a population to make predictions about a sample​A descriptive technique that allows researchers to describe a population

The sample results provide only estimates of the values of the population characteristics. Group of answer choicesThe statement is trueThe statement is falseCannot determine if statement is true or falseInsufficient details in the statement.

A one-sample hypothesis test can involve a single population paramenter such as the mean or standard deviation. Group of answer choicesTrueFalse

Which of the following is an example of a sample statistic?a.)25 random students are asked how much they spent on booksb.)The proportion of the student population who live on campusc.)Standard deviation of tuition costs for all private universitiesd.)Average number of all high school graduates who will attend college