Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Here are two scenarios that can be answered using an appropriate hypothesis test: One is a 1 sample t-test for a mean and the other

Here are two scenarios that can be answered using an appropriate hypothesis test: One is a 1 sample t-test for a mean and the other is a 1 sample z-test for a proportion.

  1. A company is criticized because only 13 of 43 people in management-level positions are women. The company explains that although this proportion is lower than it might wish, it's not surprising given that women make up only 40% of their industry. What do you think?
  2. The run times for 20 participants at a local 5K race was x =29.2 min with a standard deviation of s=5.67. Is there evidence that the true mean run time for all of the participants is below 30 minutes? A dotplot of the sample data appears to be symmetric with no outliers.

Complete BOTH problems, ensuring tofollowall 5-stepsoutlined in the readings. Pay special attention to explaining how you checked the conditions for the distribution that you name. Feel free to use StatCrunch to perform the calculations for you. The use of the formulas for this assignment is optional.

you may type out your solutions (but try to use the appropriate symbols in your response by using the "insert math question" feature).

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access with AI-Powered Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Statistics For Business And Economics

Authors: James T. McClave, P. George Benson, Terry T Sincich

12th Edition

032182623X, 978-0134189888, 134189884, 978-0321826237

Students also viewed these Mathematics questions