1 A company manager is investigating the time taken, minutes, to complete an aptitude test The human resources manager produced the table below of coded times, x minutes, for a random sample of 30 applicants Coded time midpoint (y minutes) Coded time Frequency (f) (x minutes) 0sx 5 3 2 5 55x 10 15 7 5 10sx 15 12 5 15 Sx 25 9 20 25 Sx 35 30 (You may use Efy 355 and y 5675) (a) Use linear interpolation to estimate the median of the coded times (2) (b) Estimate the standard deviation of the coded times (2) The company manager is told by the human resources manager that he subtracted 15 from cach of the times and then divided by 2, to calculate the coded times (c) Calculate an estimate for the median and the standard deviation of t (3) The following year, the company has 25 positions available The company manager decides not to offer a position to any applicant who takes 35 minutes or more to complete the aptitude test The company has 60 applicants (d) Comment on whether or not the company manager's decision will result in the company being able to fill the 25 positions available from these 60 applicants Give a reason for your answer (2) (Total for Question 1 is 9 marks)

Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on Jan 16, 2021

1. A company manager is investigating the time taken, minutes, to complete an aptitude test. The human resources manager produced the table below of

1. A company manager is investigating the time taken, minutes, to complete an aptitude test. The human resources manager produced the table below of coded times, x minutes, for a random sample of 30 applicants. Coded time midpoint (y minutes) Coded time Frequency (f) (x minutes) 0sx

Step by Step Solution

★★★★★

3.44 Rating (157 Votes )

There are 3 Steps involved in it

Step: 1

complete solution of all the parts is given below Ans a Median l N2 cf ... blur-text-image

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

Document Format ( 2 attachments)

635d89d68bc54_176550.pdf

180 KBs PDF File

635d89d68bc54_176550.docx

120 KBs Word File

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

Essentials Of Business Statistics

Authors: Bruce Bowerman, Richard Connell, Emily Murphree, Burdeane Or

5th Edition

978-1259688867, 1259688860, 78020530, 978-0078020537

More Books

Students also viewed these Accounting questions

Question

★★★★★

First-semester GPAs for a random sample of 30 freshmen at a large university are given in the attached spreadsheet. Estimate the true mean GPA of the freshmen class with 99% confidence. A. 2.04 Answered: 1 week ago

Answered: 1 week ago

Question

★★★★★

You have 60 minutes to complete an exam with two questions. You want to maximize your score. Toward the end of the exam, the more time you spend on either question, the fewer extra points per minute...

Answered: 1 week ago

Question

★★★★★

A hotel chain gives an aptitude test to job applicants and considers a multiple-choice test question to be easy if at least 80% of the responses are correct. A random sample of 6503 responses to one...

Answered: 1 week ago

Question

★★★★★

Look at the following code. Which line will cause a compiler error? Explain why. Line 1 public class ClassA Line 2 { Line 3 public ClassA () {} Line 4 public final int methodl (int a) () Line 5...

Answered: 1 week ago

Question

★★★★★

Your lab partner tells you that she mixed two solutions that contain ions. You analyze the solution and find that it contains the ions and precipitate shown in the beaker. a. Write the molecular...

Answered: 1 week ago

Question

★★★★★

Is it possible for a company the size of Yahoo to change its culture dramatically without the push of a forceful leader? If yes, how could that happen?

Answered: 1 week ago

Question

★★★★★

discuss the Demand-Induced Strain Compensation Model, its key processes, its strengths and limitations, and the evidence supporting it;

Answered: 1 week ago

Question

★★★★★

Since LSUS corporation is producing at full capacity, Amanda has decided to have Han examine the feasibility of a new manufacturing plant. This expansion would represent a major capital outlay for...

Answered: 1 week ago

Question

★★★★★

SCENARIO ANALYSIS Huang Industries is considering a proposed project whose estimated NPV is $12 million. This estimate assumes that economic conditions will be "average." However, the CFO realizes...

Answered: 1 week ago

Question

★★★★★

In Fig. 6.65, assume that the longitudinal residual stress at the center of the rod is -80,000 psi. Using the distortion-energy criterion, calculate the minimum yield stress that this particular...

Answered: 1 week ago

Question

★★★★★

Session Estimate the mode for the data represented in this histogram. ments 5.0- 4.0- utton ces) 3.0- Frequency ations 2.0- den es 1.0- 65 ic Writer .0 20 30 40 50 60 70 80 90 100 nking

Answered: 1 week ago

Question

★★★★★

Carol is the purchasing manager for J'Divine, a popular wedding photography business. She is responsible for assessing the purchasing and supply activities performed by J'Divine's purchasing and...

Answered: 1 week ago

Question

★★★★★

How might a neuroscientist use children's interest in video games to design an experimental or longitudinal study determining whether intense amounts of practice in a particular skill causes...

Answered: 1 week ago

Question

★★★★★

ABA Procedure In this section, name the ABA Procedure being considered. For example, "Differential Reinforcement of Other Behavior (DRO)." Special Methods In this section, discuss the implementation...

Answered: 1 week ago

Question

★★★★★

Humans, especially children, have an amazing capability to learn language. Within the first year of life, children will have learned many of the necessary concepts to have functional language,...

Answered: 1 week ago

Question

★★★★★

Martina was geared up for a long day on the bike trail and began her day with a balanced breakfast. Although she brought plenty of water with her, she was also able to stay hydrated because her...

Answered: 1 week ago

Question

★★★★★

You own $18,879 of Olympic Steel stock that has a beta of 2.82. You also own $21,924 of Rent-a-Center (beta = 1.84) and $20,097 of Lincoln Educational (beta = 0.85). What is the beta of your...

Answered: 1 week ago

Question

★★★★★

1. Using the information from Problem 16-4B, prepare a statement of cash flows for Lim Garden Supplies Inc. using the direct method of presenting cash flows from operating activities. 2. How does Lim...

Answered: 1 week ago

Question

★★★★★

In the book Essentials of Marketing Research, William R. Dillon, Thomas J. Madden, and Neil H. Firtle discuss evaluating the effectiveness of a test coupon. Samples of 500 test coupons and 500...

Answered: 1 week ago

Question

★★★★★

Consider testing H0: 1 = 0 versus Ha: 1 0. Figure tells us that t = 7.3277 and that the related p-value is .0003. Assuming that the bivariate normal probability distribution assumption holds, test...

Answered: 1 week ago

Question

★★★★★

In the Consolidated Power hypothesis test of H0: 60 versus Ha: > 60 ( as discussed in Exercise 9.45) find the sample size needed to make the probability of a Type I error equal to .025 and the...

Answered: 1 week ago

Question

★★★★★

Garden Grove Corporation made a sale to a foreign customer on September 15, Year 1, for 100,000 foreign currency units (FCU). Payment was received on October 15, Year 1. The following exchange rates...

Answered: 1 week ago

Question

★★★★★

A company makes an export sale denominated in a foreign currency and allows the customer one month to pay. Under the two-transaction perspective, accrual approach, how does the company account for...

Answered: 1 week ago

Question

★★★★★

1. Critically comment on the results reported by CPCC under PRC GAAP, IFRS, and U.S. GAAP. 2. Identify the main areas of difference for CPCC between: a. PRC GAAP and IFRS. b. IFRS and U.S. GAAP. 3....

Answered: 1 week ago

Previous Question Next Question