A researcher claims that the variation in the number of

Assignment Help Basic Statistics
Reference no: EM13631920

A researcher claims that the variation in the number of days that factory workers misses due to illness is greater than the variation in number of days missed by hospital workers. A sample of 42 hospital workers had a standard deviation of 2.1 days, while a sampe of 65 factory workers had a standard deviation of 3.2 days. At alpha = 0.05, is the researcher correct in his claim?

Reference no: EM13631920

Questions Cloud

Identify a peer-reviewed journal article published within : identify a peer-reviewed journal article published within the last 5 years that uses probabilities. this article should
What is the effect of increasing the boiler pressure in a : what is the effect of increasing the boiler pressure in a steam power plant modeled as an ideal rankine cycle with
A researcher claims that the variation in the number of : a researcher claims that the variation in the number of days that factory workers misses due to illness is greater than
Consider hydrogen to be ideal gas with constant specific : hydrogen gas at 35ordmc and unknown pressure state 1 enters a steady insulated system which has no work interaction
A researcher claims that the variation in the number of : a researcher claims that the variation in the number of days that factory workers misses due to illness is greater than
White light is shone on a very thin layer of quartz n 154 : white light is shone on a very thin layer of quartz n 1.54 and above the quartz layer interference maxima for two
Wind loading is a primary consideration in the design of : wind loading is a primary consideration in the design of the supporting mechanisms of billboards as evidenced by many
By how many bits of information does thie entropy of this : liquid water at 20 degrees c has a constant pressure mass specific heat of cp4181.8. suppose that 1kg of liquid water
Explain the difference between the magnitudes of rate of : air at 5 bar and 177degc state 1 is expanded through a turbine to 1 bar and 27degc state 2. the mass flow rate of air

Reviews

Write a Review

Basic Statistics Questions & Answers

  A large industrial firm allows a discount on any invoice

a large industrial firm allows a discount on any invoice that is paid within 30 days. of all invoices 10 receive the

  Definition of a low-mileage car

One definition of a low-mileage car is one that is 4 years old and has been driven less than 45,000 miles. What percent of the cars returned are considered low-mileage?

  The research hypothesis for this question is that the mean

a psychologist is conducting a study in which 30 students attend workshops by the speaking center for one hour per week

  Suppose you are conducting a study with a total of 50

suppose you are conducting a study with a total of 50 participants from five different regions of the country and you

  Probabilty that airline not have seats for all ticket holder

Suppose that for a particular flight involving a jumbo-jet with 265 seats, the airline sells 278 tickets. What is the probability that the airline will not have enough seats for all the ticket holders who show for the flight?

  Test hypotheses and sample size requirement

A study was conducted to estimate the mean amount spent on birthday gifts for a typical family having two children. A sample of 150 was taken, and the mean amount spent was $225.

  Probability that sample of size yield mean greater value

Number of days of accrued annual leave. suppose that the mean and variance are 12 and 144, respectively. What is the probability that a sample of size 100 will yield a mean greater than 9?

  Probabilities and airline bookings

When someone buys a ticket for an airline flight, there is a 90% probability that a person will not show up for the flight. Air America books 15 people on a commuter flight that can only seat 13 passengers.

  Complete the following analysis of variance at a 05 level

question in a completely randomized design 10 experimental units were used for the first treatment 12 for the second

  Mean annual percentage turnover for plants exceeds mean

Is there sufficient evidence to indicate that the mean annual percentage turnover for U.S. plants exceeds the corresponding mean percentage for Japanese plants?

  After tallying the responses she found that 204 used

question a dean of a business school wanted to know whether the graduates of her school used a statistical inference

  Differences between hypotheses testing methods

Can you describe in detail the differences in ANOVA and the five-step hypothesis testing method?

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