A sample of n 7 scores has a mean of m 9 one score in the

Assignment Help Basic Statistics
Reference no: EM13580279

A sample of n = 7 scores has a mean of M = 9. One score in the sample is changed from X = 19 to X = 5. What is the value for the new sample mean?

Reference no: EM13580279

Questions Cloud

A time for the 100-meter spring of 151 seconds at a school : a time for the 100-meter spring of 15.1 seconds at a school where the mean time for the 100-meter sprint is 17.6
What requirements are necessary for a normal probability : what requirements are necessary for a normal probability distribution to be a standard normal probability
How is the rejection region defined and how is that related : how is the rejection region defined and how is that related to the zscore and p
Assume that the mean hourly cost to operate a commercial : assume that the mean hourly cost to operate a commercial airplane follows the normal distribution with a mean of 2225
A sample of n 7 scores has a mean of m 9 one score in the : a sample of n 7 scores has a mean of m 9. one score in the sample is changed from x 19 to x 5. what is the value
Suppose that we are testing h0 micro micro0 versus h1 : suppose that we are testing h0 micro micro0 versus h1 micro gt micro0. calculate the p -value for the following
How many workers need to be sampled in order to estimate : question in 200534 of workers reported that their jobs were more difficultwith more stressand 37 reported that they
How many times should a coin be tossed to obtain a : how many times should a coin be tossed to obtain a probability of equal to or greater than 0.9 of observing at least
For a population with micro 40 and s 7 find the -score for : for a population with micro 40 and s 7 find the -score for each of the following x values. note you probably will need

Reviews

Write a Review

Basic Statistics Questions & Answers

  Are marketing personnel extroverts

Approximately 65% of all marketing personnel are extroverts, whereas about 50% of all computer programmers are introverts.

  Find the least squares trend equation

The amounts spent in vending machines in the United States, in billions of dollars, for the years 1999 through 2003 are given below. Determine the least squares trend equation.

  Hypothesis test for one sample mean

Suppose you found that in doing the hypothesis test, you were able to reject the null hypothesis. What is the most appropriate conclusion to draw?

  Probability relating to tickets drawn from a box

A box contains 9 tickets numbered 1 to 9 inclusive. If 3 tickets are drawn from a box one at a time, find the probability that they are alternative after (1) odd, even, odd or (2) even, odd, even.

  What is the probability that mean miles per gallon exceeds

10 cobalts are ramdomly selected and the miles per gallon for each car are recorded. What is the probability that the mean miles per gallon exceeds 34 miles per gallon?

  What score should be used for the two cutoffs

They also send the upper 2.5% directly to the company without an interview. Based on the data the assumption of a bell-shaped distribution, what score should be used for the two cutoffs?

  Develop a stem-and-leaf chart

Develop a stem-and-leaf chart. Summarize the number of times each ATM was used. What was the typical, minimum, and maximum number of times each ATM was used?

  Use chebyshev-s theorem to determine percent of values

Use Chebyshev's theorem to find what percent of the values will fall between 120 and 150 for a data set with mean of 135 and standard deviation of 7.5.

  Effect on forecast values using exponential smoothing

Choice of exponential smoothing constant w has little or no effect on forecast values using exponential smoothing.

  Young adult internet users

About 80% of young adult Internet users (age 18 to 29) in a certain locale use social networking sites. The sample proportion for this population would follow approximately a Normal distribution with what mean and standard deviation for a rand..

  Process used to obtain results any group needs z test

Perform an appropriate hypothesis test, showing the necessary calculations and/or explaining the process used to obtain the results any group over 30 needs z test.

  What type of educational background do ceos have

What type of educational background do CEOs have? In one survey, 344 CEOs of medium and large companies were asked whether they had an MBA degree. There were 97 MBAs

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