Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on Jun 11, 2024

Standard Deviation Q 2: In national mathematics contest mean was 80 and standard deviation 20. Ahmed scored 66, Terry 82 and Sue 70. Find their

Standard Deviation

Q 2: In national mathematics contest mean was 80 and standard deviation 20. Ahmed scored 66, Terry 82 and Sue 70. Find their Z-scores. [6 - K/U] (Show your work, no Mark for just an answer)

Step by Step Solution

There are 3 Steps involved in it

Step: 1

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

Step: 3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Critical Issues In Mathematics Education Monograph Series In Mathematics Education

Authors: Paul Ernest, Brian Greer, Bharath Sriraman

1st Edition

1607522187, 9781607522188

More Books

Students also viewed these Mathematics questions

Question

★★★★★

Suppose that X ~ N(, 2) and that P(X 5) = 0.8 and P(X 0) = 0.6 What are the values of and 2?

Answered: 1 week ago

Question

★★★★★

9-41. The purpose of statistics includes each of the following except: a. Analyze data b. Draw meaningful inferences that lead to improved decisions c. Summarize data d. All of the above are related...

Answered: 1 week ago

Question

★★★★★

50. There are three coins in a barrel. These coins, when flipped, will come up heads with respective probabilities 0.3, 0.5, 0.7. A coin is randomly selected from among these three and is then...

Answered: 1 week ago

Question

★★★★★

a. Find the probability of getting exactly 1 sleepwalker among 5 adults. b. Find the probability of getting 1 or fewer sleepwalkers among 5 adults. c. Which probability is relevant for determining...

Answered: 1 week ago

Question

★★★★★

digital logic Design a combinational circuit with three inputs, x, y, and z, and three outputs, A, B, and C. When the binary input is 0, 1, 2, or 3, the binary output is one greater than the input....

Answered: 1 week ago

Question

★★★★★

Which of the following statements are true? I. The loading of software into the RAM of a computer technically creates a copy of the program. II. The loading of software into the RAM of a computer is...

Answered: 1 week ago

Question

★★★★★

Use the following diagram of TCP/IP protocols of a Network 1) Add the following servers to the network. a. DC server b. data server c. SMTP server d. Application server e.web server...

Answered: 1 week ago

Question

★★★★★

A recent article/publication (within the last five years) which showcases the use of molecular testing techniques to diagnose infectious diseases. The article may have a public health, clinical...

Answered: 1 week ago

Question

★★★★★

A. Veta inc., has a asset of $400,000 in total where it comprises of equity 70% and debt of 30% (12%) interest. The company was planning to do some investment and it anticipates the increase of...

Answered: 1 week ago

Question

★★★★★

A liquid crystal cell has the front electrode grooved vertically and the rear electrode grooved horizontally. Sheets that transmit only vertically polarized light are placed before and after the...

Answered: 1 week ago

Question

★★★★★

used, and the importance of adhering to these procedures K12 Explain how the components are to be aligned, adjusted and positioned prior to securing, and the tools and equipment that is used K13...

Answered: 1 week ago

Question

★★★★★

QUESTION 1 Say Ali defines his permanent income as the average income this year and the past 4 years' incomes. Furthermore he always consume 3/5 of his permanent income. His incomes record over these...

Answered: 1 week ago

Question

★★★★★

Planning for the Future Sam and Sheila Gimble are determined that their newborn son Junior will attend college. They expect the tuition for four years of college will be $64,000 at the time Junior is...

Answered: 1 week ago

Question

★★★★★

Using Present Values in Evaluating Loans Alabaster Corporation purchased a small office building, with a portion of the purchase price paid for through a 20-year mortgage loan of $200,000. The loan...

Answered: 1 week ago

Question

★★★★★

What is meant by the relevance of accounting information?

Answered: 1 week ago

Previous Question Next Question