Mathematics, 27.05.2020 21:04 JvGaming2001
A survey of the age of people denied promotion was conducted. In a random sample of 23 people the average age was 47.0 with a sample standard deviation of 7.2 Assume this sample comes from a population that is normally distributed. a. Calculate the EBM then construct a 95% confidence interval for the average of the age of people denied (round the values of the interval to 1 decimal place). b. If a manager claimed that the average age of people denied promotion was 51, would you agree or disagree based on your confidence interval? Explain your reasoning.
Answers: 1
Mathematics, 22.06.2019 00:30
Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.
Answers: 1
Mathematics, 22.06.2019 03:00
Alocal restaurant advertises that the mode cost of their most popular meals is $8. if the costs of their most popular meals are $7, $8, $8, $12, $13, $15, $17, $18, and $20, which word or phrase best describes this kind of advertising? accurate inaccurate accurate, but misleading inaccurate and misleading
Answers: 1
A survey of the age of people denied promotion was conducted. In a random sample of 23 people the av...
Social Studies, 30.01.2021 22:50
Mathematics, 30.01.2021 22:50
Mathematics, 30.01.2021 22:50
Mathematics, 30.01.2021 22:50
Mathematics, 30.01.2021 22:50
English, 30.01.2021 22:50