Homework Help is Here – Start Your Trial Now!
Math
Statistics
A company would like to know if efficiency can be improved through a training course for employees. A sample of employees is taken. The time taken for an employee to complete a task before training and after training is observed. Mean Variance Observations Hypothesized Mean Difference df t Stat P(T<=t) one-tail t Critical one-tail P(T<=t) two-tail t Critical two-tail Confidence Level n= Ex: 9 Before 33.1 16.81 30 Degrees of freedom: df = 0 29 -2.282 0.051 -1.699 0.025 -2.045 95% After 31.7 12.25 30 P = Ex: 1.234 -3 -2 -1 t = Ex: 1.234 Point estimate for before training: before Ex: 1.234 Point estimate for after training: after 0 2 3

A company would like to know if efficiency can be improved through a training course for employees. A sample of employees is taken. The time taken for an employee to complete a task before training and after training is observed. Mean Variance Observations Hypothesized Mean Difference df t Stat P(T<=t) one-tail t Critical one-tail P(T<=t) two-tail t Critical two-tail Confidence Level n= Ex: 9 Before 33.1 16.81 30 Degrees of freedom: df = 0 29 -2.282 0.051 -1.699 0.025 -2.045 95% After 31.7 12.25 30 P = Ex: 1.234 -3 -2 -1 t = Ex: 1.234 Point estimate for before training: before Ex: 1.234 Point estimate for after training: after 0 2 3

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2AGP
See similar textbooks
icon
Related questions
Question
A company would like to know if efficiency can be improved through a training course for employees. A sample of employees is taken. The time taken for an employee to complete a task before training and after training is observed. 31.7 12.25 30 HA P = Ex: 1.234 -3 -2 -1 t = Ex: 1.234 Mean Variance Observations Hypothesized Mean Difference df t Stat P(T<=t) one-tail t Critical one-tail P(T<=t) two-tail t Critical two-tail Confidence Level n = Ex: 9 Before After 33.1 16.81 30 29 -2.282 0.051 -1.699 0.025 -2.045 Degrees of freedom: df = 95% Point estimate for before training: before Ex: 1.234 Point estimate for after training: after 2
Transcribed Image Text:A company would like to know if efficiency can be improved through a training course for employees. A sample of employees is taken. The time taken for an employee to complete a task before training and after training is observed. 31.7 12.25 30 HA P = Ex: 1.234 -3 -2 -1 t = Ex: 1.234 Mean Variance Observations Hypothesized Mean Difference df t Stat P(T<=t) one-tail t Critical one-tail P(T<=t) two-tail t Critical two-tail Confidence Level n = Ex: 9 Before After 33.1 16.81 30 29 -2.282 0.051 -1.699 0.025 -2.045 Degrees of freedom: df = 95% Point estimate for before training: before Ex: 1.234 Point estimate for after training: after 2
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt
SEE MORE TEXTBOOKS