The average number of vacation days per year offered by

Assignment Help Basic Statistics
Reference no: EM13623589

The average number of vacation days per year offered by different US companies is skewed to the right. A random sample of 60 companies showed the mean number of vacation days was 22, and the standard deviation was 9 days. Why is it OK to use these data for inference even though the population is skewed?

Reference no: EM13623589

Questions Cloud

Peter metarko is extremely optimistic about the market for : after watching a movie about a young woman who quit a successful corporate career to start her own baby food company
What is the tension force in the container side-walls : if the sprinkler at a is 1 m from the ground then scale the necessary measurements from the photo to determine the
A correlation coefficient has an associated probability : a correlation coefficient has an associated probability value of .02 then1. the results are important2. the hypothesis
A skydiver jumps out of a plane and fall 77 seconds before : a skydiver jumps out of a plane and fall 7.7 seconds before opening the parachute. what is the sky divers speed when
The average number of vacation days per year offered by : the average number of vacation days per year offered by different us companies is skewed to the right. a random sample
A portfolio beta is a weighted average of the betas of the : a portfolio beta is a weighted average of the betas of the individual securities which comprise the portfolio. however
Outdoor living needs 75 million to finance modifications to : outdoor living needs 7.5 million to finance modifications to its production equipment because the design of its
The coffee express has computed its fixed costs to be 034 : the coffee express has computed its fixed costs to be 0.34 for every cup of coffee it sells given annual sales of
1 what would be the null hypothesis for a chi-square test : the student newspaper called campus press polled a simple random sample of 280 undergraduate students in order to study

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability problem on student recreation center

Based on past data, the Student Recreation Center knew that the proportion of students who prefer exercising outside over exercising in a gym was 0.734. To update their records, the SRC conducted a survey. Out of 95 students surveyed, 76 indicated..

  Find the probability to have exactly eighty flights on time

What is the probability you will have 20 or less flights that are late? What is the probability you will have more than 100 on time?

  Construct a pie chart of relative frequencies

Construct a pie chart of relative frequencies and construct a bar graph of the relative frequencies

  Probability that single piece of material will be defective

What is the probability that a single, randomly selected piece of material will be defective? (Give the answer to two decimal places.)

  Creating confidence interval to estimate sigma

Out to right, create a 90% confidence interval estimate of sigma (σ), population standard deviation.

  Which pure element would react violently with oxygen

Based on its position in the periodic table of the elements, which pure element would also react violently with oxygen and water?

  Two independent alternators to provide electrical power

A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fail on a 1-hour flight is .02. What is the probability that (a) both will fail? (b) Neither will fail? (c) One or the oth..

  Theoretical probability and experimental probability

Comparing the experimental and theoretical probabilities, can you say the die used in this experiment is a fair die? Why or why not?

  Find what proportion of tax forms will be completed

What proportion of 1040R tax forms will be completed in more than 114 minutes? Round your answer to at least four decimal places.

  Probability calculations reveal the following information

Probability calculations reveal the following information. The probability of a favourable research report = 0.59. The probability of high sales given a favourable research report = 0.95. The probability of high sales given an unfavourable research r..

  Use a standard deviation 30 mgdl and find a 99 confidence

suppose the average cholesterol level of children ages 2-14 is 175 mgdl with a standard deviation 30 mgdl. recently

  Mean of the sampling distribution of ?-hat

Suppose n = 1000 persons are to be sampled from this population and the sample proportion of married persons (ρ-hat) is to be calculated. What is the mean of the sampling distribution of ρ-hat?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd