User Account

All Pages

The standard error of the sample mean is equal to 5 when

Assignment Help Basic Statistics
Reference no: EM13580405

The standard error of the sample mean is equal to 5 when n=25. If the sample size increases by a factor of four, how will the standard error change?

A. It will be double.
B. It will be cut in half.
C. It will quadruple.
D. It will be cut to 1/4 of 5. It will quadruple.

Reference no: EM13580405

Questions Cloud

Certain mushrooms launch their spores by a catapult : certain mushrooms launch their spores by a catapult mechanism. as water condenses from the air onto a spore that is
Point a is at position 4j -3kcm point b is at position -3cm : point a is at position 4j -3kcm. point b is at position -3cm k. point c is at position 3i -2j 5k cm. point d is at
A lab technician adds 250 ml of a 000450 m stock solution : a lab technician adds 2.50 ml of a 0.00450 m stock solution of barium chloride to a test tube then adds other solutions
All the following are oxidation-reduction reactions : all the following are oxidation-reduction reactions excepta h2g f2 ? 2hfgb cas h2g ? cah2sc 2ks 2h2ol ? 2kohaq h2gd
The standard error of the sample mean is equal to 5 when : the standard error of the sample mean is equal to 5 when n25. if the sample size increases by a factor of four how
A reaction of 1 liter of chlorine gas cl2 with 3 liters of : a reaction of 1 liter of chlorine gas cl2 with 3 liters of fluorine gas f2 yields 2 liters of a gaseous product. all
Select an industry association professional body eg : select an industry association professional body e.g. accountants market segment e.g. active seniors or other group of
The life span of a battery is normally distributed with a : the life span of a battery is normally distributed with a mean of 2000 hours and a standard deviation of 30 hours.a
If we select one box of cereal at random from this : the fill weight of a certain brand of adult cereal is normally distributed with a mean of 910 grams and a standard

Reviews

Write a Review

Basic Statistics Questions & Answers

  Normal approximation to binomial probability

How would you find the normal approximation to the binomial probability P(x = 5) in part A? Please show how you would calculate µ and σ in the formula for the normal approximation to the binomial, and show the final formula you would use without g..

  What is the total sample size

Complete the table and answer the following questions. Use the .05 significance level.

  Probability that operator will get live answers on calls

There is an operator at the center who places 25 outgoing calls in a one-hour period. What is the probability that this operator will get live answers on 7 or more calls?

  Confidence interval of the true mean of heartbeats

For a group of 10 men subjected to a stress situation, the mean number of heartbeats per minute was 126, and the standard deviation was 4. Find the 95% confidence interval of the true mean.

  Probalility that mnean annual snowfall will exceed

What is the probalility that the mnean annual snowfall during 64 randomly picked years will exceed 107.8 inches? Round your answer to four decimal places.

  Find probability that randomly selected smoker is female

Class consists of 55% women, and 45% men 10% of the women smoke and 20% of the men smoke, what is the probability that a randomly selected smoker is female?

  To test the hypothesis that students who finish an exam

To test the hypothesis that students who finish an exam first get better grades, Professor Hardtack kept track of the order in which papers were handed in.

  Teachers hypothesis-pre and post tests

Test the teachers hypothesis that there is a significant difference between the pre and post tests.

  Describe about data analysisbullbriefly address the data

describe about data analysisbullbriefly address the data analysis process.bullidentify and justify the univariate

  Determining probability of sample proportion

Suppose they solicit 400 customers one day, and find that 250 of them have a Grayson's card. Assume that 60% of all Grayson's customers have a discount card, what is the probability of getting a sample proportion of at least 250 / 400=0.625?

  Determine probability that selected smoker has lung disease

Of those not having lung disease, 25.3% are smokers. Determine the probability that a randomly selected smoker has lung disease.

  Test for one sample population mean

By using a level of significance of .10, is there evidence that the population mean weight of the candy bars is greater than 4.3?

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd