QUESTION TWO (20 MARKS) The data below gives the concentration of copper in tissues of a...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
QUESTION TWO (20 MARKS) The data below gives the concentration of copper in tissues of a given plant: (a) (b) Leave 35 42 60 22 39 75 52 78 56 36 17 69 25 32 48 5 46 3 S Roots 40 51 71 29 49 89 62 77 63 46 27 70 35 32 58 marks] Construct a 95% and 99% confidence interval for the difference between the two population mean. [10 marks] The following computer output show two sets of the analysis of results from an instrumental analysis on signal (Y) and concentration (X). Interpret the two outputs. Model I- Response variable: Signal Analysis of variance Source Regression Error Total df 1 Source Regression 145 143 Estimates of regression coefficient Variable df Intercept 1 Concentration 1 Error Total Model II - Response variable: Signal Analysis of variance df 2 141 143 SS 249798.01 2269682.63 2519480.64 Concentration Concentration *Time 1 1 Estimate 601.934 -3.401 Estimates of regression coefficient Variable df Intercept 1 Estimate 282587.347 2236893.292 2519480.636 Estimate 868.68 Page 2 of 3 CHEM 901 -16.205 0.14 MS 249798.01 15983.68 1 StdError 40.118 0.860 StdError 141293.6736 15864.49143 StdError 189.80 8.95 0.0996 F-Value 15.628 t 15.004 -3.953 F-value 8.906 -3.953 T 4.577 -1.811 1.438 [10 QUESTION TWO (20 MARKS) The data below gives the concentration of copper in tissues of a given plant: (a) (b) Leave 35 42 60 22 39 75 52 78 56 36 17 69 25 32 48 5 46 3 S Roots 40 51 71 29 49 89 62 77 63 46 27 70 35 32 58 marks] Construct a 95% and 99% confidence interval for the difference between the two population mean. [10 marks] The following computer output show two sets of the analysis of results from an instrumental analysis on signal (Y) and concentration (X). Interpret the two outputs. Model I- Response variable: Signal Analysis of variance Source Regression Error Total df 1 Source Regression 145 143 Estimates of regression coefficient Variable df Intercept 1 Concentration 1 Error Total Model II - Response variable: Signal Analysis of variance df 2 141 143 SS 249798.01 2269682.63 2519480.64 Concentration Concentration *Time 1 1 Estimate 601.934 -3.401 Estimates of regression coefficient Variable df Intercept 1 Estimate 282587.347 2236893.292 2519480.636 Estimate 868.68 Page 2 of 3 CHEM 901 -16.205 0.14 MS 249798.01 15983.68 1 StdError 40.118 0.860 StdError 141293.6736 15864.49143 StdError 189.80 8.95 0.0996 F-Value 15.628 t 15.004 -3.953 F-value 8.906 -3.953 T 4.577 -1.811 1.438 [10
Expert Answer:
Answer rating: 100% (QA)
To address your request we first need to construct the confidence intervals for the difference between the two population means based on the sample data provided for leaves and roots 1 Start by calcul... View the full answer
Related Book For
Posted Date:
Students also viewed these physics questions
-
Construct a 95% percent confidence interval for the difference between two population means using the following sample data that have been selected from normally distributed populations with...
-
A confidence interval for the difference between the means of two normally distributed populations based on the following dependent samples is desired: Before After 6 ............ 8 12...
-
Construct a 95 percent confidence interval for the difference of mean monthly rent paid by undergraduates and graduate students. What do you conclude? 820 790 Undergraduate Student Rents (10) 870 680...
-
Suppose 2 x - T f(x) -1-cos z for all real numbers z. Find lim f(x) PIK 2) Use the Squeeze Theorem to evaluate the limit lim 2 sin()
-
Bill Wiggly organized Widget Company. The following transactions were completed in 201X: a) Bill Wiggly paid in $30,000 to start the business. b) Equipment for use in the business was purchased for...
-
Determine the annual budget for office utilities the data from the past 12 months shown in Figure 9-7. Utility costs are expected to increase by 8% per year due to inflation. None of the companys...
-
Liz, a graduate MBA student at a prestigious business school, received three job offers late in April just before her May graduation. On April 30 she accepted the job at ABC Corp., which she...
-
The College Board SAT college entrance exam consists of three parts: math, writing, and critical reading (The Wall Almanac, 2012). Sample data showing the math and writing scores for a sample of 12...
-
Step 2: Smooth Sailing 1. Edit the sshd_config file. [Your bash commands here]
-
(a) Prepare any necessary transaction entries for 2019 and adjusting entries at December 31, 2019, using the financial statement effects template.(b) Prepare any necessary transaction entries for...
-
Marta writes a letter to a client announcing her company's move to a new building. Her letter ends with the words "Enclosed please find a copy of our new office layout. Very truly yours, Marta." The...
-
The box entitled How Would You Do That? 1 introduced a number of financial tools for predicting a firms financial troubles. Pick a public company that has recently announced financial woes and run...
-
The box entitled How Would You Do That? 1 helps you see how a profit pool model is developed for a particular industry or geographic or product arena. You are given Starbucks and ready-to-drink...
-
Refer to the opening case on HUI. Assume that, for reasons of estate planning, the owners decided to take the company public through an IPO. What would be the effect on the firms strategy and...
-
Apply the concepts of strategy formulation and implementation to your college experience. What was your objective in going to college? When did your strategy for achieving this objective emerge? Has...
-
The output of workers at a Porta Egypt factory depends on the number of supervisors hired. The factory sells each unit of its output for $0.50, hires 50 production workers at a wage of $100 per day,...
-
Let A - [1 1 ], fin 2 042 22 -4-4 and hence determine A find A
-
Willingness to pay as a measure of a person's value for a particular good measures the maximum a person would be willing to pay requires that payment actually be made depends on the satisfaction that...
-
A classic finding in psychological research is that people cannot tell when others are lying to them, yet they are very confident of their lie detection abilities. Kathryn Morris (2003) created an...
-
Steenbergen-Hu and Cooper (2013) also examined the effects of ITS for students in elementary school, middle school and high school (see Exercise 14). The results are shown below. Elementary school...
-
You are told that a researcher calculated the following least squares prediction equation for a set of data: Y' = .008(X) + .92. The coefficient of X (i.e., .008) tells us that the correlation...
-
JetSki Hire runs a business on the Murray River hiring out jet skis to holiday makers, tour operators and for corporate training sessions. The unadjusted trial balance of JetSki Hire is shown below...
-
Mirandas Motor Mechanics analysed the accounting records and other data for the business. The following information is made available for the year ended 30 June 2019. 1. Salaries and wages owing to...
-
The unadjusted trial balance of the general ledger of Antonios Small Appliance Repair Service on 30 June 2019 is presented below (ignore GST). Additional data for adjustment purposes 1. Supplies on...
Study smarter with the SolutionInn App