Question: The impurity level (in ppm) is routinely measured in an intermediate chemical product. The following data were observed in a recent test: 2.4, 2.5, 1.7,

The impurity level (in ppm) is routinely measured in an intermediate chemical product. The following data were observed in a recent test: 2.4, 2.5, 1.7, 1.6, 1.9, 2.6, 1.3, 1.9, 2.0, 2.5, 2.6, 2.3, 2.0, 1.8, 1.3, 1.7, 2.0, 1.9, 2.3, 1.9, 2.4, 1.6 Can you claim that the median impurity level is less than 2.5 ppm? State and test the appropriate hypothesis using the sign test with a = 0.05. What is the P-value for this test?

Step by Step Solution

★★★★★

3.40 Rating (159 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

1 Parameter of interest is the median impurity level 2 Ho 25 3 H 25 4 005 5 The t... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

M-S-N-S (3).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

We saw in lecture methods to store integers (both negative and non-negative) and real numbers as sequences of Os and 1s. Integers can be stored exactly (using binary numbers and/or 2's complement),...

An industrial process produces batches of a chemical whose impurity levels follow a normal distribution with standard deviation 1.6 grams per 100 grams of chemical. A random sample of 100 batches is...

The level of impurity (in percent) in the product of a certain chemical process is a random variable with probability density function a. What is the probability that the impurity level is greater...

IMSE 317/ BENG 364 - Fall 2015 HW #5 Due on Dec. 09, 2015 Problem 1: Use Minitab The impurity level (in ppm) is routinely measured in an intermediate chemical product. The 22 observations are: 2.4,...

2.2 51 Summarizing Data for a Quantitative Variable Exercises Methods 11. Consider the following data. WEB 14 19 24 19 16 20 24 20 file Frequency a. b. SELF test 21 22 24 18 17 23 26 22 23 25 25 19...

(Chapter 13) Instructions: a. You will work on this assignment in groups of two people. b. The statistical package Minitab MUST be used to do the assignment. c. Include the Minitab outputs of your...

I need help with these questions if you could provide explanations that would be great. Question 1: A horticulturist is studying the relationship between tomato plant height and fertilizer amount....

1.Which production system focuses on producing customized, one-of-a-kind products? a) Mass production b) Lean production 4) Job shop production d) Batch production 2. Which of the following is not a...

Develop a multiple regression model with categorical variables that incorporate seasonality for forecasting the temperature in Washington, D. C., using the data for years 1999 and 2000 in the Excel...

1. You plan to retire in 35 years. At the end of each year, you plan on saving $15,000, and your bank pays you 2% annual interest. How much will you have saved by the time you retire? A. $749,917 B....

Waterway Company was formed on July 1 , 2 0 2 3 . It was authorized to issue 2 9 0 , 1 0 0 shares of $ 1 0 par value common stock and 1 0 2 , 3 0 0 shares of 8 % , $ 2 5 par value, cumulative and...

Gardi Manufacturing uses normal costing for its job-costing system, which has two direct-cost categories (direct materials and direct manufacturing labor) and one indirect-cost category...

Porter Companys most recent contribution format income statement is shown below: Required: Prepare a new contribution format income statement under each of the following conditions (consider each...

Suppose you have an income of $100 to spend on goods x1 and x2. A. Suppose that you have homothetic tastes that happen to have the special property that indifference curves on one side of the 45...

Carly Inc. reported the following accounting income (loss) and related tax rates during the years 2012 to 2018: Accounting income (loss) and taxable income (loss) were the same for all years since...

Kidman & Associates is a law firm specializing in labor relations and employee-related work. It employs 30 professionals (5 partners and 25 associates) who work directly with its clients. The average...

The density of iron is 7.86 g/cm 3 . What is its density in pounds per cubic inch (lb/in 3 )?

1. Compute the impact on the companys overall net operating income if the company discontinued one of its departments based on the following facts: The contribution margin in the department is...

The Yurdone Corporation wants to set up a private cemetery business. According to the CFO, Barry M. Deep, business is "looking up." As a result, the cemetery project will provide a net cash inflow of...

First City Bank pays 7 percent simple interest on its savings account balances, whereas Second City Bank pays 7 percent interest compounded annually. If you made a deposit of \$12,000 in each bank,...