Question: Does drinking hot chocolate boost the memory in older people? A random sample of people around the age of 73 was recruited. All had some

Does drinking hot chocolate boost the memory in older people? A random sample of people around the age of 73 was recruited. All had some form of cognitive deterioration. Half the participants drank two cups of hot chocolate a day for 30 days. Each was tested by solving puzzles that required working memory. The amount of time needed to complete the puzzles was recorded. Is there sufficient evidence to conclude that chocolate helps improve cognitive memory?

Step by Step Solution

★★★★★

3.41 Rating (164 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

H 0 1 2 0 H 1 1 2 0 Twotail F test F 239 pvalue ... View full answer

Question Has Been Solved by an Expert!

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

Step: 2 Unlock

Step: 3 Unlock

Document Format (2 attachments)

1429_6054778a91051_661737.pdf

180 KBs PDF File

1429_6054778a91051_661737.docx

120 KBs Word File

Students Have Also Explored These Related Statistics for Management Questions!

The high temperature for seven January days in Chicago along with the number of cups of hot chocolate sold for those days at the C and C Coffee Shop are shown in the table below. (a) Determine the...

A cup of hot chocolate has temperature 80C in a room kept at 20C. After half an hour the hot chocolate cools to 60C. (a) What is the temperature of the chocolate after another half hour? (b) When...

In MyStatLab there is a file containing data on favourite flavours of ice cream for a random sample of people walking around Kempenfelt Bay one summer evening. The data are coded as follows: (1)...

MKT500 Week 7 Discussion Board I have attached the question, lecture notes, and an example of a student's response to the questions. Running head: KEYSAN NATURALS COMPANY: AIDA PRINCIPLE Keysan...

Business Research MethodologyQuestion Bank 1 1. When the marketing department of an organization attempts to determine the amount of time the managers in this department spend at their computers in...

Describing Data Once we have collected data from surveys or experiments, we need to summarize and present the data in a way that will be meaningful to the reader. We will begin with graphical...

Abstract Black males are disproportionately the victims of police killings in the United States, yet few studies have examined their personal narratives of trauma and bereavement resulting from...

The following case study is connected to the questions below: Please assist with answering the following questions in a synopsis format related to case study: Brief Overview of Client DSM Diagnosis...

What were three different conditions participants were placed into? Study 1 How often and for how long did participants have to journal? What were the dependent variables in this study? (What were...

10. An experimenter has some degree of control over the: a. independent variable. b. correlative variable. c. history effect. d. All of the above, if the experiment is conducted properly. 11. If a...

Work through Example 1 from Digital Filter Design by Zoran Milivojevi (Section 2.4.1.1). This will create a 10 th order FIR digital low-pass filter with a cutoff frequency of 2.5 kHz for a sampling...

What is a semantic differential scale? For what purposes is this scale used?

Question 2 3 5 pts What is the diflerence between a securities broker and a securities dealer? Thitien only execube trades for clemts, while deviens byy and self necurities for their own accounts....

Demonstrate the impact of the price elasticity of demand on total expenditure and total revenue under conditions of different demand elasticities?

Xr12-128 An advertising company was awarded the contract to design advertising for Rolls Royce automobiles. An executive in the firm decided to pitch the product not only to the affluent in the...

Xr12-127 Most life-insurance companies are leery about offering policies to people 64 and older. When they do, the premiums must be high enough to overcome the predicted length of life. The president...

Xr12-126* The JC Penney department store chain segments the market for womens apparel by its identification of values. The three segments are 1. Conservative 2. Traditional 3. Contemporary...

8. ABC company's operating income (EBIT) from selling 164522 units is $69097. assume that ABC company has annual interest expense of $26229. If ABC's EBIT increase by 15%, by how much will its...

Nico Trading Corporation is considering issuing preferred stock. The preferred stock would have a par value of $75 and a preferred dividend of 7.5 percent of par. In order to issue the stock, Nico...

John Williams engaged in the following activities in establishing his photography studio, Crane:\ Opened a bank account in the name of Crane and deposited $8,510 of his own money into this account in...