a) option A is correct (as here grade is treated as category to get frequency distribution)
b) option B is correct
Statistics: A person's grade in school is generally identified by a number. a) Give an example...
A research center conducts an extensive survey consisting of an interview and medical examination with a representative sample of about 5000 people a year. The interview includes demographic, socioeconomic, dietary, and other health-related questions. The examination consists of medical, dental, and physiological measurements, as well as laboratory tests administered by highly trained medical personnel. Describe the sample, the population, the Who and the What of this study Describe the sample and the population. Choose the correct answer below OA. The...
Taylor teaches first grade at a school in Cincinnati, Ohio. She wants to know what the average reading level is of all 178 first grade students in her school. She takes a simple random sample of 34 first grades students and finds that the average reading level of these 34 students is 1.9. A. What is the parameter (in words) and what is its value? B. What is the statistic (in words) and what is its value?
Taylor teaches first grade at a school in Cincinnati, Ohio. She wants to know what the average reading level is of all 178 first grade students in her school. She takes a simple random sample of 34 first grades students and finds that the average reading level of these 34 students is 1.9. A. What is the parameter (in words) and what is its value? B. What is the statistic (in words) and what is its value?
Taylor teaches first grade at a school in Cincinnati, Ohio. She wants to know what the average reading level is of all 178 first grade students in her school. She takes a simple random sample of 34 first grades students and finds that the average reading level of these 34 students is 1.9. (5 points) A. What is the parameter (in words) and what is its value? B. What is the statistic (in words) and what is its value?
NAME Statistics in Psychological Research Homework 4 Your homework must consist entirely of your own work. You will need to show your work for calculations in order to receive full credit. Showing your calculations will also allow us to award partial credit due to minor calculation errors. PLEASE BE SURE TO TYPE THE MAJOR STEPS FOR FULL CREDIT AND ROUND TO 2 DECIMAL PLACES. 1. State the null and research hypothesis for each research scenario. [3pts, 1pts each] a. A...
Topic 1: Introduction to Basic Vocabulary I. Identify each variable as quantitative or categorical 7.1 (a) Number of social media apps on a phone (b) Time it takes players on the football team to run the 100yd dash (e) Favorite sports to play among a group of friends 2. Hospital A has a policy that requires employees to wear scrubs of an assigned color according to department. Hospital B allows employees to wear scrubs of thelr own choosing. A study...
Read the following article: Give arguments to support your views. Do you think that Mark Zuckerberg or any other CEO has the right to dole out large sums of money for philanthropy? Do you say that is it enough for large corporations just to donate funds or should they also manage them? What are the merits and demerits of management such funds? Five years ago, Facebook Inc. chief executive Mark Zuckerberg went on Oprah Winfrey's television show to pledge $100...
Case Study 1: Should a Computer Grade Your Essays? Would you like your college essays graded by a computer? Well, you just might find that happening in your next course. In April 2013, EdX, a Harvard/MIT joint venture to develop massively open online courses (MOOCs), launched an essay-scoring program. Using arti ficial intelligence technology, essays and short answers are immediately scored and feedback tendered, allowing students to revise, resubmit, and improve their grade as many times as necessary. The non-profit...
STA2221 examples on CI & Testing of Hypothesis Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answer the question Provide an appropriate response. 1) Find the critical value,te for 0.99 and n-10. A) 3.250 B) 3.169 1.833 D) 2.262 2) Find the critical value to forc=0.95 and n=16. A) 2.947 B) 2.602 2120 D) 2.131 3) Find the value of E, the margin of error, for A) 1.69 B) 0.42 0.99, n=16 and s=2.6. C)...