Saturday, June 25, 2016

QUIZ Exploring Data 11 Questions Solution

Here is the solution for the Quiz of a online course Basic Statistics offered by the Coursera website. This quiz is first week quiz and solution is given below get 100% result all are right answers.

Exploring Data

11 questions

Q #1 A researcher wants to measure physical height in as much detail as possible. Which level of measurement does s/he employ?
Answer                  Ratio level
Q #2 You conduct a study on eye color and you question 550 people. 110 of them have brown eyes and 44% of them have blue eyes. What percentage of the people you questioned has blue or brown eyes? [Your answer should consist of just the number, no additional characters - so if you think the answer is 41% enter the number 41]
Answer                   64
Q #3 In which situation is a bar graph preferred over a pie chart?
Answer                  When the number of categories in the data is high.
Q #4 Ten students completed an exam. Their scores were: 5, 7, 2, 1, 3, 4, 8, 8, 6, 6. What is the interquartile range (IQR)?
Answer                   4
Q#5 A researcher wants to know what people in Amsterdam think of football. He asks ten people to rate their attitude towards football on a scale from 0 (don't like football at all) to 10 (like football a lot). The ratings are as follows: 1, 10, 6, 9, 2, 5, 6, 6, 5, 10. What is the standard deviation?
Answer                  3,1
Q#6 You find a z-score of -1.99. Which statement(s) is/are true?
  • Answer       The score falls below the mean score.
  • The score lies almost two standard deviations from the mean.
Q#7 Which of the following statements is true?
  • Answer       Both statements are false.
Q#8 The grades for a statistics exam are as follows: 3, 5, 5, 6, 7.5, 6, 5, 1, 10, 4. Which score is an outlier? (Use the interquartile range (IQR).)
Answer                  10
Q#9 How many goals have the top strikers of the Dutch Eredivisie football competition scored? We look at 10 strikers and obtained the following information: 12, 10, 11, 12, 11, 14, 15, 18, 21, 11. The (1) ... of the dataset equals 12, the mean equals (2) ... and the (3) ... equals 11. The standard deviation equals (4) ... Fill in the right words/numbers on the dots.
Answer      (1) Median, (2) 13.5, (3) Mode, (4) 3.57
Q#10 What is true about a variance of zero? (Multiple answers possible.)
  • There is no variability in the scores: everybody has the same score.
  • The standard deviation equals zero as well.
Q#11 What is the difference between variables and constants?

  • Variables vary across cases, constants do not vary.


  1. There is shocking news in the sports betting world.

    It's been said that every bettor must watch this,

    Watch this now or stop placing bets on sports...

    Sports Cash System - Automated Sports Betting Software.


    Get professional trading signals sent to your mobile phone every day.

    Start following our signals today and gain up to 270% per day.

  3. I like review sites which grasp the cost of conveying the fantastic helpful asset for nothing out of pocket. I genuinely revered perusing your posting. Much obliged to you!  website

  4. Interesting topic for a blog. I have been searching the Internet for fun and came upon your website. Fabulous post. Thanks a ton for sharing your knowledge! It is great to see that some people still put in an effort into managing their websites. I'll be sure to check back again real soon. HSC Result 2019 published date

  5. This particular papers fabulous, and My spouse and i enjoy each of the perform that you have placed into this. I’m sure that you will be making a really useful place. I has been additionally pleased. Good perform! JSC Result

  6. Thanks for sharing this questions and answers!!

  7. i never know the use of adobe shadow until i saw this post. thank you for this! this is very helpful.

  8. thanks alot!!!!!!!!!!!keep sharing.
    if explanation is also there,then its better.

  9. I really loved reading your blog. It was very well authored and easy to understand. Unlike other blogs I have read which are really not that good.Thanks alot! 메이저사이트 추천

  10. "Very interesting blog. Alot of blogs I see these days don't really provide anything that I'm interested in, but I'm most definately interested in this one. Just thought that I would post and let you know.
    " 먹튀폴리스

  11. So if you are looking for BPSC Senior Staff Nurse Result 2021 and GST Admission Preliminary Result then collect it from our website. For you we upload Senior Stuff Nurse Selection list PDF file in this article.

  12. I recently came across your article and have been reading along. I want to express my admiration of your writing skill and ability to make readers read from the beginning to the end. I would like to read newer posts and to share my thoughts with you. guest posting services

  13. We are tied directly into the sate’s renewal database which allows us to process your request almost instantly. guest posting services

  14. This comment has been removed by the author.