Find the standard error of the mean

Assignment Help Basic Computer Science

Reference no: EM131351648

Botany A botanist is studying the effects of a drought on the size of acorns produced by the oak trees. A random sample of 50 acorns reveals a mean diameter of 16.2 millimeters and a standard deviation of 1.4 millimeters.

a. Find the standard error of the mean.

b. What is the interval about the sample mean that has a 5% level of confidence?

c. Find the interval about the sample mean that gives a 99% chance that the true mean lies within the interval.

d. Find the interval about the sample mean such that the probability is 0.80 that the true mean lies within the interval.

Reference no: EM131351648

Questions Cloud

What is the size of the sample used to determine these value : Critical Thinking There is a probability of 0.99 that the average life of a disposable hand-warming package is between 9.7936 and 10.2064 hours. The standard deviation of the sample is 0.8 hour. What is the size of the sample used to determine the..

Which human services value is the most important to you : Reflect on the human services values described in this unit's reading in An Introduction to Human Services, addressing the following:Which human services value is the most difficult for you to practice? Include an example of a situation that enco..

Compensation philosophy for the united states postal service : Evaluate the current compensation philosophy for your organization or an organization of your choosing (from a third-person perspective). Write a three-to-five page paper (not including the title and reference pages). Your paper should be written ..

Write a response that addresses ideas presented therein : View the video about Wassily Kandinsky's "Composition VII" (1913), produced by SmartHistory. Then submit a minimum 150 word response that addresses the main ideas and issues presented therein.

Find the standard error of the mean : Botany A botanist is studying the effects of a drought on the size of acorns produced by the oak trees. A random sample of 50 acorns reveals a mean diameter of 16.2 millimeters and a standard deviation of 1.4 millimeters.

What is the required rate of return on LRW stock : LRW Corporation has a beta of 1.0. The risk-free rate of interest is 0.06, and the return on the stock market overall is expected to be 0.12. What is the required rate of return on LRW stock?

What exactly does it mean to be self realized : what exactly does it mean to be Self-Realized, to live a life not identified with the body, with the doer? What would such a life look like, for you and for others?

Explain the youth firearms violence initiative : Explain the Youth Firearms Violence Initiative. Choose one of the strategies and tactics shown in Table 8.2 (p. 246). Explain the program in depth and its effectiveness in reducing juvenile weapons crimes.

The importance of a strong company culture : After viewing the two (2) Lynda.com videos on company culture this week, identify at least three (3) elements of a strong company culture of trust and integrity. Explain why each of these elements is important, and provide an example of each that ..

User Account

All Pages