Distributions and appropriate statistics

Assignment Help Basic Statistics
Reference no: EM131824859

Distributions and appropriate statistics, Part II. For each of the following, state whether you expect the distribution to be symmetric, right skewed, or left skewed. Also specify whether the mean or median would best represent a typical observation in the data, and whether the variability of observations would be best represented using the standard deviation or IQR. Explain your reasoning.

(a) Housing prices in a country where 25% of the houses cost below $350,000, 50% of the houses cost below $450,000, 75% of the houses cost below $1,000,000 and there are a meaningful number of houses that cost more than $6,000,000.

(b) Housing prices in a country where 25% of the houses cost below $300,000, 50% of the houses cost below $600,000, 75% of the houses cost below $900,000 and very few houses that cost more than $1,200,000.

(c) Number of alcoholic drinks consumed by college students in a given week. Assume that most of these students don't drink since they are under 21 years old, and only a few drink excessively.

(d) Annual salaries of the employees at a Fortune 500 company where only a few high level executives earn much higher salaries than all the other employees.

Reference no: EM131824859

Questions Cloud

Explain the evolution of the nothing works perspective : How this perspective came to be, what happened during the Nothing Works era, what perspective we have now, and how we came here.
What swot analysis can tell us about the company : What SWOT analysis can tell us about the company? How the company market its product and compete in the market place?
Determining the air quality : (a) Estimate the median AQI value of this sample. (b) Would you expect the mean AQI value of this sample to be higher or lower than the median?
Distributions and appropriate statistics part : Distributions and appropriate statistics, Part I. For each of the following, state whether you expect the distribution to be symmetric
Distributions and appropriate statistics : Distributions and appropriate statistics, Part II. For each of the following, state whether you expect the distribution to be symmetric
What shape would you expect this distribution to have : Is the distribution of number of hours students watch television weekly symmetric? If not, what shape would you expect this distribution to have?
Determining the exam scores : Is the distribution of the scores on this exam symmetric? If not, what shape would you expect this distribution to have? Explain your reasoning.
Which theory best fits the given leaders style : Which theory best fits this leader's style? Explain with examples. What are the benefits and hindrances of this leader leading in this manner?
Distribution of number of friends of facebook users : What do these findings suggest about the shape of the distribution of number of friends of Facebook users?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Calculate the secondary rated voltage

The primary and secondary winding of a three-phase transformer are delta- and wye-connected, respectively. The rated power is 75 kVA and the rated primary voltage is 12 kV (line-to-line). If each phase has N1/N2 ˆ 92, calculate the secondary rated..

  A random sample of 70 printers discovered that 30 of them

a random sample of 70 printers discovered that 30 of them were being used in small businesses. find the 95 confidence

  Compute ratio of the probabilities constant

An aircraft company is considering using a new light-weight fastener, called the Superlight, to rivet certain sheet metal parts together.

  Specify the sampling frame for survey

What could Bristol Myers have done to improve the validity of the results after they had mailed the 10,000 surveys and received 1,983 back? Assume they kept record of who had responded and who had not.

  Determine whether there is an advantage to drawing the first

If the rules are now altered so that Carol returns her card to the pack after noting its value, and also, if Carol and David draw the same card all the cards are shuffled and they draw again.

  Construct a confidence interval

If a random sample of 200 test runs of the service reveal an average of 8 minutes to fill in the electronic application and standard deviation =3 minutes, construct a 75% confidence interval for µ.

  Find the proportion of the observations

Computing probability values using normal distribution - Find the proportion of the observations will fall in the interval from 40 to 60?

  Average rating of service for all customers

Suppose 100 randomly selected customers were asked to rate a particular service they recently had on a scale of 0 to 10. The sample mean rating was found to be 7.3.

  What is the probability of under running the poe

What is the probability of under running the POE?

  How many degrees of freedom are there

How many degrees of freedom are there?- The smallest expected count will be in the 1989/No cell. What is it?- Check the assumptions and conditions for inference.

  Calculate the corresponding p-value

Evaluate a test statistic for the null hypothesis H0: μ = 30 against the two-sided alternative hypothesis H1: μ _= 30, and by plotting this on its reference distribution, identify and calculate the corresponding p-value associated with H0. What ar..

  The mean weight of trucks traveling on a particular section

the mean weight of trucks traveling on a particular section of i-480 is not known. a state highway inspector needs an

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