Find the mean and standard deviation of the observed weights

Assignment Help Basic Statistics
Reference no: EM131744903

Question: Doritos. Some students checked 6 bags of Doritos marked with a net weight of 28.3 grams. They carefully weighed the contents of each bag, recording the following weights (in grams): 29.2, 28.5, 28.7, 28.9, 29.1, 29.5.

a) Do these data satisfy the assumptions for inference? Explain.

b) Find the mean and standard deviation of the observed weights.

c) Create a 95% confidence interval for the mean weight of such bags of chips.

d) Explain in context what your interval means.

e) Comment on the company s stated net weight of 28.3 grams.

Reference no: EM131744903

Questions Cloud

Reflect on decisions you made using social influence : Reflect on decisions you made using social influence, persuasion, and risk taking that went awry.Examine a time when you were involved in decision making.
How does pepsico link reward and incentives to strategically : How does PepsiCo link rewards and incentives to strategically-important employee behaviors and the company's targeted sustainability outcomes?
What kind of error did hopps make : He concluded that this popping method achieved the 10% goal. If it really does not work that well, what kind of error did Hopps make?
Thinking about correlation : Figure 4.4 (page 162) is a scatterplot of 2007 debt versus 2006 debt for 24 countries. Is the correlation r for these data near -1
Find the mean and standard deviation of the observed weights : Doritos. Some students checked 6 bags of Doritos marked with a net weight of 28.3 grams. They carefully weighed the contents of each bag.
How could you have altered the framing of the situation : What other statistically relevant factors did you/they fail to incorporate? How could you have altered the framing of the situation to make a better decision?
Explain why the chi-square goodness-of-fit test : Explain why the chi-square goodness-of-fit test is not an appropriate way to find out. b) What might you do instead of weighing the nuts in order to use a test
Explain why it is not appropriate to test his hypothesis : Explain why it is not appropriate to test his hypothesis using the chi-square goodness-of-fit ?2 test - uniform distribution of miles across the days
Brand names and generic products : If a store always prices its generic "store brand" products at 90% of the brand name products' prices, what would be the correlation between the prices

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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