Log out Go to App
Go to App

Learning Materials

Features

Discover

Chapter 4: Q. 107 (page 282)

Berry good Eating blueberries and strawberries might improve heart health, according to

a long-term study of 93,600 women who volunteered to take part. These berries are high

in anthocyanins due to their pigment. Women who reported consuming the most

anthocyanins had a significantly smaller risk of heart attack compared to the women who

reported consuming the least. What conclusion can we draw from this study? Explain

your reasoning.

Short Answer

Expert verified

As a result of the existence of anthocyanins in blueberries and strawberries, we can assume that eating them will benefit heart health.

Step by step solution

01

 Step 1: Given information

According to a long-term study including 93,600 women who consented to participate, eating blueberries and strawberries may improve heart health.

02

Explaination

According to a long- term exploration of women who chose to take part, eating blueberries and strawberries may boost health. Due to their colour, these berries have a lot of anthocyanins. Women who said they ate the most anthocyanins had a lower threat of heart attack than those who said they ate the least. From the possibilities listed below, what conclusion can we make from this study? a) In order to ameliorate their heart health, women should consume further blueberries and strawberries. b) We can infer that the difference in blueberry and strawberry input caused the difference in heart attack threat. Likewise, because the study was so big, the findings may be applied to all women. c) We can not conclude that the difference in blueberry and strawberry consumption caused the difference.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

iPhonesSuppose 1000iPhones are produced at a factory today. Management would like to ensure that the phones’ display screens meet their quality standards before shipping them to retail stores. Because it takes about 10minutes to inspect an individual phone’s display screen, managers decide to inspect a sample of 20phones from the day’s production.

a. Explain why it would be difficult for managers to inspect an SRS of 20iPhones that are produced today.

b. An eager employee suggests that it would be easy to inspect the last 20iPhones that were produced today. Why isn’t this a good idea?

c. Another employee recommends a different sampling method: Randomly choose one of the first50 iPhones produced. Inspect that phone and every fiftieth iPhone produced afterward. (This method is known as systematic random sampling.) Explain carefully why this sampling method is not an SRS.

A simple random sample of 1200 adult Americans is selected, and each person is asked

the following question: “In light of the huge national deficit, should the government at this

time spend additional money to send humans to Mars?” Only 39% of those responding

answered “Yes.” This survey

a. is reasonably accurate because it used a large simple random sample.

b. needs to be larger because only about 24 people were drawn from each state.

c. probably understates the percent of people who favor sending humans to Mars.

d. is very inaccurate but neither understates nor overstates the percent of people who favor

sending humans to Mars. Because simple random sampling was used, it is unbiased.

e. probably overstates the percent of people who favor sending humans to Mars.

Eating on campus The director of student life at a small college wants to know what

percent of students eat regularly in the cafeteria. To find out, the director selects an SRS of

300 students who live in the dorms. Describe how undercoverage might lead to bias in this

study. Explain the likely direction of the bias.

Sleepless nights How much sleep do high school students get on a typical

school night? A counselor designed a survey to find out. To make data collection easier,

the counselor surveyed the first 100students to arrive at school on a particular morning.

These students reported an average of 7.2 hours of sleep on the previous night.

a. What type of sample did the counselor obtain?

b. Explain why this sampling method is biased. Is7.2hours probably greater than or less

than the true average amount of sleep last night for all students at the school? Why?

More oil and inflammation Refer to Exercise 55. Could blinding be used in this experiment? Explain your reasoning. Why is blinding an important consideration in this context?

See all solutions

Recommended explanations on Math Textbooks

Applied Mathematics

Read Explanation

Calculus

Read Explanation

Discrete Mathematics

Read Explanation

Theoretical and Mathematical Physics

Read Explanation

Probability and Statistics

Read Explanation

Statistics

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.

Sign-up for free