Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on Jun 24, 2024

If there are 150 students in 9th grade Spanish class, and 45 of them answer Item X on the test correctly, what is the difficulty

If there are 150 students in 9th grade Spanish class, and 45 of them answer Item X on the test correctly, what is the difficulty value of that item?

QUESTION 5 If there are 150 students in 9th grade Spanish class, and 45 of them answer Item X on the test correctly, what is the difficulty value of that item? O -.30 O.30 O-.70 O.70

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

Graphical Approach To Precalculus With Limits A Unit Circle Approach, A

Authors: John E Hornsby, Margaret L Lial, Gary K Rockswold

5th Edition

0321899806, 9780321899804

More Books

Students also viewed these Mathematics questions

Question

★★★★★

Suppose you decide to travel to a star 85 light-years away at a speed that tells you the distance is only 25 light-years. How many years would it take you make the trip?

Answered: 1 week ago

Question

★★★★★

Without restricting yourself to published accounting standards, explain how the potential range of revenue recognition policies corresponds to the idea of value added by an enterprise.

Answered: 1 week ago

Question

★★★★★

If the distribution of X has a jump at the point a, then P(X = a) = 0.

Answered: 1 week ago

Question

★★★★★

Bell Manufacturing is attempting to choose the better of two mutually exclusive projects for expanding the firms warehouse capacity. The relevant cash flows for the projects are shown in the...

Answered: 1 week ago

Question

★★★★★

The Polaris Company uses a job-order costing system. The following transactions occurred in October: a. Raw materials purchased on account, $209,000. b. Raw materials used in production, $188,000 (...

Answered: 1 week ago

Question

★★★★★

$0.21 0.5% Units Sold to Break Even, Unit Variable Cost, Unit Manufacturing Cost, Units to Earn Target Income Werner Company products and sells disposable foil baking pand to retailers for $2.40 per...

Answered: 1 week ago

Question

★★★★★

(i) (ii) (iii) Delphine & Co. is a law firm which had been operating for the past 20 years. The firm has over 200 active clients, mainly commercial organisations, and the clientele is still growing....

Answered: 1 week ago

Question

★★★★★

Share which technologies (e-learning, simulation, virtual reality, podcasts, etc.) most appeal to you. Explain why they appeal to you.

Answered: 1 week ago

Question

★★★★★

Imagine your boss wants to engage you to do extra work for the next few weeks on a special project of hers but she doesn't have additional budget to pay you. What kind of recognition or non-monetary...

Answered: 1 week ago

Question

★★★★★

A hotel find out that a famous hollywood celebrity will be staying for a vew days. security for the celebrity informs the hotel that there is a mentally unstable man who is stalkinh her and they are...

Answered: 1 week ago

Question

★★★★★

Determine the most likely bases for differentiated product or service offerings of Brookdale University Hospital Medical Center

Answered: 1 week ago

Question

★★★★★

Exploring Enlightened Self-Interest: Does "Good Ethics" Mean "Good Business"? A. CSR not only provides benefits to society but it is able to additionally gain an organisation by using securing its...

Answered: 1 week ago

Question

★★★★★

Relax your shoulders

Answered: 1 week ago

Question

★★★★★

Keep your head straight on your shoulders

Answered: 1 week ago

Question

★★★★★

Be straight in the back without blowing out the chest

Answered: 1 week ago

Previous Question Next Question