Central tendency and dispersion in statistics

Assignment Help Basic Statistics
Reference no: EM1392740

Why do you think it is significant to describe both the measure of central tendency and the measure of dispersion when talking about a data set?

Reference no: EM1392740

Questions Cloud

Tow intersections with traffic signals : The route used by a certain motorist in commuting to work contains tow intersections with traffic signals. The probability that he must stop at the first signal is 0.4, the analogous probability for the second signal is 0.5. and the probability th..
Create argument that push-down provides suitable information : Create an argument that push-down accounting provides the most relevant information to financial statement users. Provide support for your argument.
Calculate the eoq and the total annual cost : Calculate the annual holding cost plus the annual ordering cost to get the total annual cost when using an order quantity of 200 boxes. Calculate the EOQ and the total annual cost for this order quantity
Genotype phenotype relationship of codominance : The very simple genotype-phenotype relationship of dominance, codominance and recessiveness has been complicated by issues of penetrance and epistatsis.
Central tendency and dispersion in statistics : Why do you think it is significant to describe both the measure of central tendency and the measure of dispersion when talking about a data set?
What is the speed of the block : A 240g block on a 60cm-long string swings in a circle on a horizontal, frictionless table at 70rpm.
Three social problems-logistical regression : First, write down three social problems (e.g., drug abuse, gang membership, bullying, domestic violence, child abuse, etc) that we might attempt to predict using logistical regression.
Weighted aggregate price index question : Fresh fruit prices and quantity data for years 1988 to 2001 follow (Statistical Abstract of United States, 2002). Quantity data reflect per capita consumption in pounds and prices are per pound.
Find out the magnitude of the tension in the wire : A 1070-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960-N crate hangs from the far end of the beam.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Utilizing excel data analysis calculate t distribution

Utilizing Excel data analysis calculate t distribution also deduce the result. Study of variance is used to investigate if there is a difference in the mean mileage of the three cars.

  Plot of residuals from a regression

Below is a normal plot of residuals from a regression. Does the plot indicate any problems with the assumption that the residuals are Normally distributed

  Sample mean and t-test

At the .01 significance level, can we conclude that the 30-yeer mortgage rate for small banks is less than 6 percent? Estimate the  p -value.

  Confidence interval for the population mean weight

Find a 90% confidence interval for the population mean weight of all such turtles.

  Problem related to mean miles per gallon

Suppose a company owns three cars that get 20 miles per gallon, two cars that get 22 miles per gallon and one car that gets 24 miles per gallon. Would the mean miles per gallon be 22?

  Prices normally distributed with standard deviation

The average price of a personal computer is 949 assuming that the prices are normally distributed with a standard deviation of 100 what is the price that corresponds to the least expensive 10%.

  Lognormal distribution with a mean problem

Following a lognormal distribution with a mean of 3000 rpm and std deviation of 0.87, what if the boss want a 5% chance of HW failure before selling, how often would I have to replace this hardware ?

  Test of single population mean

At the .05 significance level, can we conclude that the mean waiting time is less than 3 minutes?

  Defining null hypothesis for college-level training

Extra college-level training, and rest of the sailors arn't accounted for. How does your sample compare to what you expected to determine? Define null hypothesis.

  Hypothesis test of two means

Is there a significant difference between the scores between the Republicans and the Democrats?

  Apparent differences between the two companies

Plot the data on the same line and give your impression regarding any apparent differences between the two companies.

  State the hypothesis and test statistic

A sample of 200 traffic accidents this year showed 74 persons were also involved in another accident within the last five years. Use the .01 significance level. Can we use z as the test statistic? Tell why or why not.

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