Deviation your organization has a goal of 15 days for the

Assignment Help Basic Statistics
Reference no: EM13643562

your organization has a goal of 15 days for the average processing of a purchase request (PR) from notification to final approval. they are only concerned if it takes longer than 15 days. a sample of 25 PRs produced a mean of 15.5 days and a standard deviation of 1.5 days. test at the 10% level of significance whether they are meeting their goal.

Reference no: EM13643562

Questions Cloud

The ph of ocean water is about 81 if it changes as expected : the ph of ocean water is about 8.1. if it changes as expected over the next century it may drop by 0.3 to 0.5 ph units.
A block slides down a frictionless plane having an : a block slides down a frictionless plane having an inclination of theta15.0 degree.the block starts from rest at the
In a circus act an 18kg dog is trained to jump onto a 30 kg : in a circus act an 18kg dog is trained to jump onto a 3.0 kg skateboard moving with a velocity of 0.14 ms. at what
A mixture of p-nitrophenol and o-nitrophenol can be : a mixture of p-nitrophenol and o-nitrophenol can be separated by steam distillation. the o-nitrophenol is steam
Deviation your organization has a goal of 15 days for the : your organization has a goal of 15 days for the average processing of a purchase request pr from notification to final
Working capital manegement how can an investor earn : how can an investor earn riskless arbitrage can the arbitrage exit forever in the market
Solution a and b liquids on mixing produced a warm : a and b liquids on mixing produced a warm solution.which type deviation is there and why is that type of
Treat nitrogen as an ideal gas amp determine the nitrogens : a tank is fitted with an electrical resistor holds 2 kg of nitrogen n2 initially at 27 degree c 100 kpa. over a period
Show the process on t-v and p-v phase diagrams label the : 1 kg of refrigerant 134a is contained in a piston-cylinder assembly initially as saturated vapor at 16 bars. the

Reviews

Write a Review

Basic Statistics Questions & Answers

  Five step approach to t test

A doctor believes that the standard deviation of systolic blood pressure is 450. A random sample of 24 patients found a standard deviation of 520. Assume the variable is normally distributed and = 0.01. What are the critical values?

  A committee is to consist of 50 randomly chosen united

a committee is to consist of 50 randomly chosen united states senators. find the expected number of different states to

  Difference in how the drugs perform

Is there any statistically significant difference in how the drugs perform? If so, explain the effect. Use the post hoc tests as needed.

  The labor bureau wants to estimate at a 98 confidence

the labor bureau wants to estimate at a 98 confidence level the proportion of all households that receive welfare. the

  State the appropriate null and alternative hypothesis

State the appropriate null and alternative hypothesis for the following case: The examinations in a large freshmen chemistry class are scaled after grading.

  A national survey claims that people buy music compact

question a national survey claims that people buy music compact disks in equal percentages for the following five age

  A binomial probability experiment is conducted with the

a binomial probability experiment is conducted with the given parameters. compute the probability of x successes in the

  Determining standard deviation of percentage return

If one invested in Stock A, Determine standard deviation of percentage return?

  Knowing the mean score for a certain quiz in a statistics

Make a List of type of possible errors. Assume that you were interested in knowing the mean score for a certain quiz in a statistics class.

  A sewage plant produces 50000 gallons a day 20 of the time

a sewage plant produces 50000 gallons a day. 20 of the time it produces in excess of 60000 gallons what is the

  Describe effect of outlier-extreme value-confidence interval

Change the last number from 257 to 61 and recalculate the confidence interval. Using the results, describe the effect of an outlier or extreme value on the confidence interval.

  Confidence interval for the mean decibel level

Find a 90% confidence interval for the mean decibel level µ for this type of transit vehicle.

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