Random sample of gasoline prices

Assignment Help Basic Statistics
Reference no: EM1397776

From a random sample of 48 days in a recent year, U.S. gasoline prices had a mean of $2.34 (wow - that's old data!) and a standard deviation of $0.32. Construct the 90% and 95% confidence intervals for the population mean.

Reference no: EM1397776

Questions Cloud

Calculate the test statistic : Choose the Hypothesis. Specify the Decision Rule. Calculate the Test Statistic. Make the Decision. Give an interpretation of the Decision
Estimate the probability of offspring having purple eyes : Purple eye color in fruit flies is an autosomal recessive trait whereas the normal eye color in fruit files (brick color) is an autosomal dominant trait.
Chi-square goodness-of-fit test : What is the chi-square goodness-of-fit test? What are the differences/similarities between this test and an independent t-test? How do you know when to use one analysis over the other? Show an example.
Basic theory of biological evolution : We are able to produce human insulin in bacteria by inserting the gene into bacteria. What is the basic theory of biological evolution and what evidence is there to support this theory?
Random sample of gasoline prices : From a random sample of 48 days in a recent year, U.S. gasoline prices had a mean of $2.34 (wow - that's old data!) and a standard deviation of $0.32. Construct the 90% and 95% confidence intervals for the population mean.
Which of these will be missense : What are all the transversions that can be made starting with the codon CGG.
Knowledge of metabolic processes photosynthesis : Describe three ways that the knowledge of metabolic processes photosynthesis and cellular respiration can improve your level of physical fitness.
Why is it sterile : What kind of error in Meiosis could lead to two copies of a single chromosome in a sperm or egg rather than the expected one?
What volume was used to inoculat this plate : A nutrient agar plate labeled 10^-5 mL had 154 colonies after incubation. What was the cell density in the original sample? What volume was used to inoculat this plate?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Hypothesis test for single factor of anova

(a) Use the steps of hypothesis testing, (b) figure the effect size for the study; and (c) explain your answers to (a) and (b) to someone who has never had a course in statistics.

  Probability of happening

What is the probability of this actually happening?

  Expected profit contribution

A pharmaceutical company has determined that if a new cholesterol-reducing drug is manufactured (introduced to the market) the following probability distribution will describe this drug's contribution to the company profits during the next six mon..

  Quantitative analysis and demand

Adele Weiss manages the campus flower shop. Flowers must be ordered three days in advance from her supplier in Mexico. Advance sales are so small that Weiss has no way to estimate the demand for the red roses.

  Which geographical method do you think is best

Based on this survey, what conclusions can you reach about the use of the Internet at work.

  Computing probability to receive email during same period

What is the probability she received 5 or more email during the same period?

  Confidence interval-average ages for the viewers

Construct a 99% confidence interval on the difference of the average ages for the viewers of the two TV programs. How can you interpret this interval?

  Difference between the two statistics mean

According to the National Football League, the average salary for players for the 2010 season was about $1.9 million while the median salary is around $770,000. Why are both numbers reported? What might the difference between the two statistics me..

  Test for single mean - what do you conclude

Test for single mean - What do you conclude - Compute z and P

  Department store sales-sample distribution analysis

A random sample of 81 credit sales in a department store showed an average sale of $68.00. From past data, it is known that the standard deviation of the population is $27.00.

  Describe the sampling distribution of the sample proportion

Describe the sampling distribution of the sample proportion

  Consumers to determine their ranked preferences

A market research company surveyed consumers to determine their ranked preferences of energy drinks among the brands Monster, Red Bull, and Rockstar.

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