Critical value for t test

Assignment Help Basic Statistics
Reference no: EM13107133

An average computer mouse inspector can inspect 50 mice per hour. The 48 computer mice inspectors at a particular factory can only insppect 46 mice per hour with a standard deviation of 10. At alpha = 0.025 does the company have reason to believe that these inspectors are slower than average? (Answer yes or no, the answer and if it is in a critical or non critical region)

Reference no: EM13107133

Questions Cloud

Independent-related samples t-test : Create a real-world situation or problem that could be addressed using an independent- or related-samples t test. Create this situation or problem, that clearly identify the independent and dependent variables to study
Insignificant portion of the hours worked : He has collected data for 36 moves in which the origin and destination were within the city limits of Coral Gables and in which the travel time was an insignificant portion of the hours worked.
What is the average speed for this new trip : A car travels along a straight line at a constant speed of 58.5 mi/h for a distance d and then another distance d in the same direction at another constant speed.
Find most appropriate way that sensemaking can applied : Determine the most appropriate way that "sensemaking" can be applied to health care organizations. Provide specific examples to support your response.
Critical value for t test : An average computer mouse inspector can inspect 50 mice per hour. The 48 computer mice inspectors at a particular factory can only insppect 46 mice per hour with a standard deviation of 10.
Teacher-s duties misconduct-influence teacher-s employment : Teacher's duties in order for misconduct to influence teacher's employment? Explain why or why not? What do you believe the guiding rule should be?
Express four of the main functions of law : Express four of the main functions of law. For each of the four functions you reference, provide a discussion, using at least one.
T test for comparing two population means : A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part of this trial they wish to determine whether there is a difference between the effectiveness for women and for men. At a=5, what is the test valu..
What are independent samples : What are independent samples? What is a pooled estimate of variance and why do you need to calculate it? When do you use a dependent versus an independent sample t test?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Contingency table or cross table

What is the probability that a cereal would be high calorie, given that is low fiber? In other words, what is P (high calorie, given low fiber)?

  Normal probability of annual income

The annual income of a large group of supervisors at Belco Industries follows the normal distribution. The mean amount earned yearly is $48,000 and the standard deviation is $1,200.

  Success or failure to meet goal

Comment on their success or failure to meet this goal.

  Probability regarding reading news online

20% of teenagers in a small town say they like reading news online. Suppose you randomly select 7 teenagers from the town and ask them whether or not they enjoy reading news online. Find the probability that at least 3 say they enjoy reading news ..

  Probability and z score of normal distribution

Scores on an endurance test for cardiac patients are normally distributed with mean = 182 and standard deviation = 24.

  Population mean of waiting times

Assume that waiting times are approximately normally distributed. Construct a 98% confidence interval for the population mean of waiting times.

  Probability for uniformly distributed college

The travel time for a college student traveling between her home and her college is uniformly distributed between 40 and 90 minutes.

  Probabilities for selecting puppies

Consider a liter of 5 puppies (3 brown/2 black). Draw a probability tree indicating the probabilities for selecting 3 puppies without replacement? What is the probability that I will select 3 brown puppies? 1 brown and 2 black puppies? At least 1 ..

  Relationship of z score and normal distribution

What role do z-scores play in this transformation of data from multiple distributions to the standard normal distribution? What is the relationship between z-scores and percentages?

  Probability regarding sample space of an experiment

Let S = {c, h, j, q, t, y} be a sample space of an experiment and let E = {c, h}, F = {c, q, y}, and G = {h, j, t} be events of this experiment. (Enter your answers using roster notation. Enter Ø for the empty set.)

  Non parametric test-mann whitney wilcoxon test

Conduct post hoc comparisons with the LSD method. Which groups differ significantly at α = 0.05?

  Range of values for a coefficient of correlation

Illustrate is the range of values for a coefficient of correlation. Illustrate degree of relationship do values of the correlation coefficient (r)with magnitudes close to 1.00 indicate.

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