Sampling distribution of sample means with population

Assignment Help Basic Statistics
Reference no: EM1397982

There are five sales associates at Mid-Motors Ford. The five representatives and the number of cars they sold last week are:

a) How many different samples of size 2 are possible?

b) List all possible samples of size 2, and compute the mean of each sample.

c) Compare the mean of the sampling distribution of sample means with that of the population.

Reference no: EM1397982

Questions Cloud

Weights of contents of cereal boxes normally distributed : The weights of the contents of cereal boxes are normally distributed, with a mean weight of 12 ounces and a standard deviation of 0.05 ounce. The weights of four cereal boxes selected at random are 12.01 ounces, 11.92 ounces, 12.12 ounces, and 11...
Determining anova and chi square test : The researcher wants to determine whether there is a relation between the type of residence owned and the level of the family income. He randomly sampled 100 homeowners and obtained the following data:
Why is it beneficial to plants that soil particles : Why is it beneficial to plants that soil particles have negatively charged surfaces.
Which of the statements about plant macronutrients not true : Which of the following statements about plant macronutrients is not true.
Sampling distribution of sample means with population : Compare the mean of the sampling distribution of sample means with that of the population.
Anova for number of cameras sold : What is the decision regarding the null hypothesis (is there a difference in the mean numbers of cameras sold at the three department store chains)?
Which of these is not a characteristic of soil : Which of these is not a characteristic of soil?
Radio ad for healthy musculoskeletal system in old age : Write down 150 to 200 word script for the radio ad which promotes the healthy musculoskeletal system in old age. Explain the risk factors for arthritis, osteoporosis, and injuries from falls.
Question about cubic nanoparticles : Develop a general mathematical relationship for the number of surface atoms (N_s), number of volume atoms (N_v), and total atoms (N_t) for cubic particles in terms of "n," where n = number of atoms along a side of cubic nanoparticle.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability of finding manufacturers expense

Where should the warranty limits be set so that only 10% of the TVs need repairs at the manufacturer's expense?

  Establish the comparison of coefficient of variation

Public transportation and the automobile are two methods an employee can use to get to work each day. Samples of times recorded for each method are shown. Times are in minutes.

  Number of coffee drinks per day

Among coffee drinkers, men drink a mean of 3.2 cups per day with a standard deviation of 0.8 cups. assume the number of coffee drinks per day follows a normal distribution.

  Parametric analysis by assessing the fractional change

Perform a parametric analysis by assessing the fractional change in the probability of failure with respect to a small change in the mean and standard deviation of selected variable.

  Population grows every year is fixed or constant

Assume that the amount your town's population grows every year is fixed or constant. Utilize your equation in part b to approximate the population in the year 2030.

  Criticizing the managers credit plan

Find the probability that a customer with 2 or more late payments will actually default on his payments and, in light of this probability, criticize the manager's credit plan.

  Determining sample size required

The manager requires the estimate to be within 1.0 minutes of the population value. What sample size is needed?

  Are the data consistent with the model

Test for single Proportion - Are the data consistent with the model? Answer yes or no, and explain briefly.

  Relative frequency distribution

Construct a relative frequency distribution for the weights of regular Coke by starting the first class at 0.7900 lb. and use a class width of 0.0050 lb.

  Determining histogram and frequency polygon

The following frequency distribution reports the number of frequent flier miles, reported in thousands, for employees of Brumley Statistical Consulting, Inc. during the first quarter of 2004.

  Confidence interval to determine estimated margin of error

Use confidence interval to determine the estimated margin of error, Then determine the sample mean.

  Workers attitudes using alpha

a) Do a test to see if workers attitudes on this matter have changed using a 90% alpha. b) Explain to management what your findings are and what this suggests about future decisions vs work options.

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