Question: A random sample of28 statistics tutorials was selected from the past5 years and the percentage of students absent from each one recorded. The Mean =

A random sample of28

statistics tutorials was selected from the past5

years and the percentage of students absent from each one recorded. The Mean = 10.41. Assume the percentages of students' absences are approximately normally distributed. Use Excel to estimate the mean=10.41 percentage of absences per tutorial over the past5

years with90%

confidence. Round your answers to two decimal places and use increasing order.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

1-1 Basic Skills and Concepts Statistical Literacy and Critical Thinking 1. Online Medical Info USA Today posted this question on its website: "How often do you seek medical information online?" Of...

before you do anything I need to know how much is it going to cost me if i let you do all steps of these questions ? PROBLEM 1. A population of 1,000 students spends an average of $10.50 a day on...

STAT 200: Introduction to Statistics Final Examination, Spring 2016 OL1/US1 Page 1 of 7 STAT 200 OL1/US1 Sections Final Exam Spring 2016 The final exam will be posted at 12:01 am on March 4, and it...

A random sample of 28 statistics tutorials was selected from the past 5 years and the percentage of students absent from each one recorded. The results are given below. Assume the percentages of...

1. Given that: Point estimate, X = 4 hours. Standard deviation of the sample mean = 0.2551 Find the confidence interval for the 95% confidence interval. 2. A statistician chooses 27 randomly selected...

Pleaseensure you havereadandunderstoodtheCML Information Sheetplaced on Blackboard under the Course Overview tab and CML Administrative Folderbefore you begin this quiz. Ifyou calculate a negative...

thanks in advance:- The new director of a local YMCA has been told by his predecessors that the average member has belonged for 8.7 years. Examining a random sample of 15 membership files, he finds...

Question 1 A survey asked adult Americans (18 years or older) whether they used social media regularly. The result shows in table below: 1834 3544 4554 55+ Use social media 117 89 83 49 Do not use...

confidence intervals using R Studio , and interpret them. A random sample of 325 statistics tutorials was selected from the past 5 years and the number of students absent from each one recorded. The...

In the latest Indian Jones film, Indy is supposed to throw a grenade from his car, which is going 93.0 km/h, to his enemy's car, which is going 116 km/h. The enemy's car is 16.9 m in front of the...

Do the data for Viking Village appear to have a cyclical variation? Explain.

KinnettKinnett & Associates is a law firm specializing in labor relations and employee - related work. It employs 2 5 2 5 professionals ( 7 7 partners and 1 8 1 8 associates ) who work directly with...

Question 3 of 7 9.6/24 Show Attempt History Current Attempt in Progress At the end of 2021. Metlock Co has accounts receivable of $756,000 and an allowance for doubtful accounts of $27.000 on January...