Question: please help with this question 5 In 2010 the Pew Research Center reported that teenagers send on average 50 text messages every day. A researcher

please help with this

question 5 In 2010 the Pew Research Center reported that teenagers send on average 50 text messages every day. A researcher suspects this number is out of date, and wishes to determine if teens are sending fewer texts than they used to. A random sample of 25 teens were found to be sending an average of 47.75 texts per day, with a standard deviation of 15. Testing at 10% significance and stating the null and alternative hypothesis, what can the researcher conclude?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Question 1 (5 marks): A 2016 study reported in Science magazine stated that college math teachers scored a mean of 3.4 points for providing feedback to students on their work. Assume the sample size...

Questions 5 (5 marks): In 2010 the Pew Research Center reported that teenagers send on average 50 text messages every day. A researcher suspects this number is out of date, and wishes to determine if...

Done 3 myopenmath.com AA Chapter 1.2 - 1.3 Homework Score: 0/21 0/21 answered Progress saved Done EB] 'l'' 0 Question 1 v B 0/1 pt '0 3 8 99 G) Details In a study, the data you collect is Weight in...

Published by CQ Press, an Imprint of SAGE Publications, Inc. www.cqresearcher.com Future of Cars Are Americans ready for self-driving vehicles? C ars that drive themselves, long a staple of science...

Chapter 2: What are the Major Types of Social Research? Copyright 2011 by Pearson Education, Inc. All rights reserved. Use and Audience of Research Basic vs Applied Research: Basic research - type of...

Read and answer the question below. EMBRACE DEMOGRAPHICS AND SOCIETAL CHANGES Using Differences to Drive Value Force 7: Demographics and Societal Changes. One of the most important forces that is...

2.2 51 Summarizing Data for a Quantitative Variable Exercises Methods 11. Consider the following data. WEB 14 19 24 19 16 20 24 20 file Frequency a. b. SELF test 21 22 24 18 17 23 26 22 23 25 25 19...

Cite as: 573 U. S. ____ (2014) 1 Opinion of the Court NOTICE: This opinion is subject to formal revision before publication in the preliminary print of the United States Reports. Readers are...

1-1 Basic Skills and Concepts Statistical Literacy and Critical Thinking 1. Online Medical Info USA Today posted this question on its website: "How often do you seek medical information online?" Of...

Fill in the given table for the following shaft and hole limits. (b) 4.7494 4.7487 4.751 (c) 494 487 .507 (d) 5.0005 4.9995 5.0016 5.0000 (0 (g) Shaft Limits Hole Limits (a) 9975 9963 1.002 (e)...

What are the different types of corruption schemes?

P7.12 A precision speed control system (Figure P7.12) is required for a platform used in gyroscope and inertial system testing where a variety of closely controlled speeds is necessary. A...

Changes in the Cash Account indicate the impact of the following corporate actions on cash, using the letter I for an increase, D for a decrease, or N when no change occurs: a. A dividend is paid...

Discuss nationalization versus bankruptcy for large American icon firms such as General Motors, AIG, and Citigroup. Which strategy is best for (1) the company and (2) the U.S. economy? Discuss.

In late 1980, the U.S. Commerce Department released new data showing inflation was 15%. At the time, the prime rate of interest was 21%, a record high. However, many investors expected the new Reagan...

What are some actions an entrenched management might take that would harm shareholders?

Carter Enterprises can issue floating-rate debt at LIBOR +2 percent or fixed-rate debt at 10.00 percent. Brence Manufacturing can issue floating-rate debt at LIBOR +3.1 percent or fixed-rate debt at...

Among a group of 5 8 programmers, who know either Java or Python or both, 1 5 only know Java and 1 3 only know Python. What is the probability of randomly choosing a programmer who knows both...

1. To gain an understanding of the fact that relationships are something more than only cause and effect chains.

3. What is meant when we say that people with a Protestant character exhibit manipulative behaviour?

An improvement in the exchange of information in negotiations.