Question

2. Suppose you have a data set of 7 numbers. If the constant 5 is added...


2. Suppose you have a data set of 7 numbers. If the constant 5 is added to each value in the set, what happens to the mean? What happens to the standard deviation?

3. There is a chowder eating contest in a small New England town. The distribution of the amount of chowder consumed is bell-shaped with mean 32 ounces and variance 64 ounces. If two hundred people participated in the contest, find the following.

a. The number of people who consumed between 24 and 40 ounces of chowder.

b. The number of people who consumed between 16 and 40 ounces of chowder.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
he Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have...
he Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 40 ounces and a standard deviation of 8 ounces. Use the Standard Deviation Rule, also known as the Empirical Rule. Suggestion: sketch the distribution in order to answer these questions. a) 99.7% of the widget weights lie between and b) What percentage of the widget weights lie between 32 and 64 ounces? % c) What percentage of the widget weights lie...
The data set entitled ‘Salmon’ contains 40 annual counts of the numbers of recruits and spawners...
The data set entitled ‘Salmon’ contains 40 annual counts of the numbers of recruits and spawners in a salmon population. The units are thousands of fish. Recruits are fish that enter the catchable population. Spawners are fish that are laying eggs. Spawners die after laying eggs. The classic Beaverton-Holt model for the relationship between spawners and recruits is R = 1 /(β1 + β2/S) where R and S are the numbers of recruits and spawners, respectively. This model may be...
Suppose a data set with 15 observations has an outlier present (i.e. the extreme observation very...
Suppose a data set with 15 observations has an outlier present (i.e. the extreme observation very far away from the rest of the data). Would the mean of the data set be affected by this outlier? Explain: Would the median of the data set be affected by this outlier? Explain: 0 A student took a Biology exam and scored 77. If the class exam scores were mound-shaped with a mean score of 70 and standard deviation of 16, use z-score...
Descriptive Statistic Calculations For the following questions, consider this data set: I wonder if racial stereotypes...
Descriptive Statistic Calculations For the following questions, consider this data set: I wonder if racial stereotypes would actually effect athletic performance? What if we asked people of different races to complete a miniature golf course after activating some commonly held racial stereotypes? This study led participants to believe that the golf was either testing their natural ability or testing their IQ. Would the racial stereotypes about IQ and athletic ability effect performance? 40 African-American and Caucasian undergraduates at Princeton University...
What is the chance a randomly selected employee would get a non-zero bonus amount? What is...
What is the chance a randomly selected employee would get a non-zero bonus amount? What is the chance a randomly selected employee would get at least $6000? What is the expected bonus value of the bonus amounts? What are the variance and standard deviation of the bonus amount? Binomial Suppose according to past data for a small boutique, about 30% of the customers who walk into the store purchase at least one item. Today 10 individual customers walked into the...
In this second portion of the Final Exam, you will critically evaluate a quantitative research study...
In this second portion of the Final Exam, you will critically evaluate a quantitative research study on a social science topic. Your instructor will post an announcement with the reference for the article assigned for the exam. The study will be from a peer-reviewed journal and published within the last 10 years. In the body of your critique, describe the statistical approaches used, the variables included, the hypothesis(es) proposed, and the interpretation of the results. In your conclusion, suggest other...
MATHEMATICS 1. The measure of location which is the most likely to be influenced by extreme...
MATHEMATICS 1. The measure of location which is the most likely to be influenced by extreme values in the data set is the a. range b. median c. mode d. mean 2. If two events are independent, then a. they must be mutually exclusive b. the sum of their probabilities must be equal to one c. their intersection must be zero d. None of these alternatives is correct. any value between 0 to 1 3. Two events, A and B,...
Please read the article and answear about questions. Determining the Value of the Business After you...
Please read the article and answear about questions. Determining the Value of the Business After you have completed a thorough and exacting investigation, you need to analyze all the infor- mation you have gathered. This is the time to consult with your business, financial, and legal advis- ers to arrive at an estimate of the value of the business. Outside advisers are impartial and are more likely to see the bad things about the business than are you. You should...
Argentina and Ecuador: Understanding the Currency Crisis While fiscal policy is never far from the mind...
Argentina and Ecuador: Understanding the Currency Crisis While fiscal policy is never far from the mind of your average Argentine, who remembers the tough times and hyperinflation of the 1980s, the events of 2001 and 2002 have brought fiscal policy back to the forefront of public concern. Though the early 1990s may have been characterized by financial optimism, Argentina has been in a recession since Brazil's 1998 monetary crisis sent shockwaves across the regional and global markets. In early 2002,...
What tools could AA leaders have used to increase their awareness of internal and external issues?...
What tools could AA leaders have used to increase their awareness of internal and external issues? ???ALASKA AIRLINES: NAVIGATING CHANGE In the autumn of 2007, Alaska Airlines executives adjourned at the end of a long and stressful day in the midst of a multi-day strategic planning session. Most headed outside to relax, unwind and enjoy a bonfire on the shore of Semiahmoo Spit, outside the meeting venue in Blaine, a seaport town in northwest Washington state. Meanwhile, several members of...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT