At a village fair, visitors were asked to guess how many sweets are in a glass jar.
Question:
At a village fair, visitors were asked to guess how many sweets are in a glass jar. The best six guesses were 180, 211, 230,199, 214 and 166.
a. Show that the mean of these guesses is 200, and use SD = √Σ(x – x̅)2/n to calculate the standard deviation.
b. The jar actually contained 202 sweets. Without further calculation, write down the mean and the standard deviation of the errors made by these six visitors. Explain why no further calculations are required to do this.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
a To show that the mean of these guesses is 200 we can use the following formula to calculate the me...View the full answer
Answered By
BillClinton Muguai
I have been a tutor for the past 5 years. I have experience working with students in a variety of subject areas, including computer science, math, science, English, and history. I have also worked with students of all ages, from elementary school to college. In addition to my tutoring experience, I have a degree in education from a top university. This has given me a strong foundation in child development and learning theories, which I use to inform my tutoring practices.
I am patient and adaptable, and I work to create a positive and supportive learning environment for my students. I believe that all students have the ability to succeed, and it is my job to help them find and develop their strengths. I am confident in my ability to tutor students and help them achieve their academic goals.
0 Reviews
10+ Question Solved
Related Book For 
Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook
ISBN: 9781108407304
1st Edition
Authors: Dean Chalmers, Julian Gilbey
Question Posted:
