Using a t test for dependent means show the steps involved

Assignment Help Basic Statistics
Reference no: EM13240396

When using a t test for dependent means, show the steps involved in calculating the estimated population variance based on scores in this sample:

Participant 1: 8

Participant 2: 6

Participant 3: 4

Participant 4: 9

Participant 5: 3

Reference no: EM13240396

Questions Cloud

How much later does it hit the ground : A football is kicked at ground level with a speed of 40 m/s at an angle of 32.0 degrees to the horizontal. How much later does it hit the ground
Determine the ph at which the reaction is at equilibrium : Consider the reaction Pb(s) + 2H^+(aq) ? Pb^2+(aq) + H2(g). If the hydrogen gas pressure is maintained at 1.00 atm and the lead(II) ion concentration is 0.025 M, find the pH at which this reaction is at equilibrium
Find an expression for the angle : Your medieval history class is constructing a trebuchet, a catapult-like weapon for hurling stones at enemy castles, Find an expression for the angle that will maximize the range of a projectile launched with speed from height above level ground
Solution to managerian stastics question suppose that : Solution to managerian stastics question. suppose that a consultant for the supermarket counts the number of arrival per hour during a sample of 150 hour.
Using a t test for dependent means show the steps involved : When using a t test for dependent means, show the steps involved in calculating the estimated population variance based on scores in this sample:
Find the x-coordinate of the point on the x-axis : The next three problems refer to two point charges A and B on the x-y plane, Find the x-coordinate of the point on the x-axis where the electric field is zero
Calculate the mean and the standard deviation of the sample : Random sample of 100 pieces of wire and wants to see if the thickness of a batch of wire meets minimum specifications. Assume that the population mean is 0.45 inch, with a standard deviation of 0.03 inch.
Explain what is the osmotic pressure in atm : What is the osmotic pressure, in atm, of a solution formed by dissolving 17.8 g of PbCl4 in 0.250 L of water at 64.4 oC? (R = 0.0821 L-atm/mol-K; 0 oC = 273 K)
How much force would you need to apply on the wheels : You are driving a car that weighs 1500 kg at 50 km/h, How much force would you need to apply on the wheels of your car through the breaks in order to be able to stop short of hitting the cat

Reviews

Write a Review

Basic Statistics Questions & Answers

  Find the confidence level for sample of forty five eggs

What is the confidence level? A sample of 45 eggs yields a mean of 1.37 ounces. Assume that the standard deviation is 0.53 ounces what is the margin of error at the 95% confidence level.

  Assumptions for chi-square tests

What are the four assumptions for the chi-square tests? What are the hypothesis when conducting the chi-square tests for goodness-of-fit?

  Probability that a randomly selected person sleeps more

According to the Sleep Foundation, the average night's sleep is 6.8 hours. Assume the standard deviation is 0.6 hours and the probability distribution is normal. a. What is the probability that a randomly selected person sleeps more than 8 hours?

  Fit both linear and an exponential trend to the data

Fit both linear and an exponential trend to the data. (d) Which model is preferred? Why? (e) Make a forecast for 2003, using a trend model of your choice (or judgments forecast).

  Joint-marginal-conditional probabilities

Determine the probability that she lives in an all electric home?

  Hypothesis testing of coke cans

Coke cans: n=36, mean of values in sample = 12.19 oz., s= 0.11 oz. Test the claim that the mean equals 12 oz. Use a significance level of alpha = 0.02.

  Knowledge about probability problems

A bag contains 8 red marbles, 2 blue marbles, and 1 green marble. What is the probability of choosing a marble that is not blue?

  Hypotheses and the decision rule

At a .10 level of significance, use Stat Tools (or Excel) to test the sponsors' hypothesis. State the null and the alternative hypotheses and the decision rule. Finally, discuss your findings.

  Confidence interval in random sampling

A random sample of n=100 observations is selected from a population with mean of 29 and sandard deviation of 21. Approximate the probabilities shown below

  Shortest counting time required for the percentage error

A Geiger-Muller tube and a scaler record approximately 50 counts per second due to a radioactive source. What is the shortest counting time required so that the percentage error of the counts will not exceed 1%?

  Repeated independent trials

If there are repeated independent trials and there are only two outcomes, what distribution should be used?

  Fundamental flaw in procedure

Tom Smith wants to test the hypothesis that adult men have a mean weight that is greater than 150 pounds. Tom surveys the adult male members of his family and obtains 40 sample values

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