The dry shear strength of birch plywoodbonded with different resin glues was st-udied with a completely randomized desig-ned experiment. Here are the data: Glue A(102; 58; 45; 79; 68; 63; 117) Glue C (100;102; 80; 119) Glue F (220; 243; 189; 176;176). SSE = 8167.55; MSE = 628.27; and Fstat = 37.99. What inference can be made?

Answered: Image /qna-images/answer/7b70c70c-89b4-49c7-ac2d-9b81d60a1093.jpg

Answered: The dry shear strength of birch plywood…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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To improve fuel efficiency and reduce pollution, the owner of a trucking fleet decides to install a new fuel catalyst in all his semi-trucks. Before the installation, his trucks had a mean of 5.6 miles per hour. A random sample of 12 trucks after the installation gas the following gas mileage: 5.9, 6.7, 6.9, 6.4, 6.6, 6.3, 6.2, 5.9, 6.2, 6.4, 6.6, 5.6 a) Test if fuel catalyst is effective in increasing miles per gallon at alpha = 0.05 level of significance. State the conclusion. b) Find 99% confidence interval for the true mean increasing miles per gallon. State the conclusion.
An experiment was run to determine whether four specific fire temperatures affect the density of acertain type of brick. A completely randomized experiment led to the following data: Temperature Density 100 21.8 21.9 21.7 21.6 21.7 125 21.7 21.4 21.5 21.4 150 21.9 21.8 21.8 21.6 21.5 175 21.9 21.7 21.8 21.4 Is it appropriate to compare the means using the Fisher LSD method (for example) in this experiment?
Which of these experimental designs has the most statistical power (is more likely to show a true difference between 2 treatment conditions)? A. Between-Subjects B. Descriptive Study C. Correlational Study D. Within-Subjects
A Doctor is interested in the proportion of Lyon county residents who were infected with covid-19 virus. There were 425 covid-19 cases reported among 25474 residents in Lyon county a.What is the experimental unit in this experiment? b.What is the population in this experiment? c. What is a parameters considered in this experiment? d. What is a statistics in this experiment? e. What variables should pollster collect in this experiment?
Capsaicin content in red habanero chilli (Capsicum chinense Jacq.) is affected by the drying process. An experiment was conducted to determine the effect of using different drying temperatures (60 °C, 70 °C, and 80 °C) using an oven. Samples of red habanero chilli were procured. Upon checking, there were varying sizes of chilli and thus the experimenter grouped the samples according to size. Drying temperatures were then randomly assigned within each 8 hours. The capsaicin content was measured for each sample. The partial analysis of variance table is shown below: group for Source of Variation Fc p-value Size 2.1654 0.1560 Temperature 8.6013 0.0034 What is the maximum number of orthogonal contrasts that may be constructed for the post- hoc analysis of the effect of temperature? A. 0 В. 1 C. 2 D. 3
local cabinet shop wants to determine the effect of adhesive brands on thebonding of veneer to the side of cabinets. Four different brands of adhesive wereapplied to glue veneer to random samples of cabinet ends. The treatments wereidentical except for the brand of adhesive. Which of the following is thedependent variable in this study? A. brands of adhesive B. bonding veneer C. cabinet ends D. four different brands
The milk yield from two breeds of goats, A and B, is categorised as low, medium or high. One hundred goats in a random sample are classified according to breed and milk yield. The results are summarised in the table below. i. Explain the difference between a test of independence and a test of homogeneity ii. Perform a chi squared test, at the 95% of significance level, to determine whether there is an association between the breed of goats and the milk yield.
A random sample of 1200 apples was taken from a large consignment and found that 10% of them are bad. The supplier claims that only 2% are bad. Test his claim.
A transect is an archaeological study area that is mile wide and 1 mile long. A site in a transect is the location of a significant archaeological find. Let x represent the number of sites per transect. In a section of Chaco Canyon, a large number of transects showed that x has a population variance . In a different section of Chaco Canyon, a random sample of 23 transects gave a sample variance for the number of sites per transect. Use an to test the claim that the variance in the new section is greater than 36.4. What is the level of significance? 90% 1% 5% 95% 10%
An experiment was conducted to assess the efficacy of spraying oats with Malathion (at 0.25 lb/acre) to control the cereal leaf beetle. Twenty farms in southwest Manitoba were used for the study. Ten farms were assigned at random to the control group (no spray) and the other 10 fields were assigned to the treatment group (spray). At the conclusion of the experiment, the number of beetle larvae per square foot was measured at each farm, and a one-tailed test of significance was performed to determine if Malathion reduced the number of beetles. In which one of the following cases would a Type II error occur? (a) We do not conclude malathion is effective when in fact it was effective. (b) We conclude malathion is effective when in fact it is ineffective. (c) We conclude malathion is effective when in fact it is effective. (d) We do not conclude malathion is effective when in fact it is ineffective. (e) We conclude malathion is neither ineffective nor effective.

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