...............Directions: Identify the independent, dependent and extraneous variables in the givensets:香...independent dependentvariableExtraneousVariablevariable1. The amount of heavy metals absorbedusing activated carbons from differentmaterials2. Different concentrations of Madre cacaoleaf extract are used to kill mosquito larvae3. The academic performance of students inEnglish subject is measured after exposingstudents to music and dance4. A seminar on bullying was conducted bythe school administrators to address theincreasing number of cyberbullying cases5. The growth of the plants are measuredafter getting exposed from different lightcolors

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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Problem 1P

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Scientists suspect that females can smell a particular chemical with an intensity greater than that of males. It is understood that there is a genetic component which affects the sensitivity to this chemical as well. 7 sets of full blood siblings are put near the chemical and asked to rate its intensity on a scale of 0 to 10. (0 means cannot smell.) Here are the results:Please state: 1. Qualitative (Categorical) or Quantitative (Numeric)• If Qualitative: Goodness of Fit or Test of Homogeneity/Independence?• If Quantitative: Proportions or Means?2. State the null and alternative hypotheses. 3. What distribution would you use to conclude the test, assuming all necessary assumptions weresatisfied? If Degrees of Freedom are involved, state them.
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13. A line was determined to be 2395.25m when measured with a 30-m steel tape supported throughout its length under a pull of 4 kg and at a mean temperature. Determine the correct length of the line if the tape used is of standard length at 20°C under a pull of 5kg. The cross-sectional area of the tape is 0.03 sq.cm, its coefficient of linear expansion is 0.0000116/1°C, and the modulus of elasticity of steel is 2.0 x 106 kg/cm2. Prepar
Ims.tu.edu.sa قائمة القراءة. Remaining Time: 34 minutes, 24 seconds. v Question Completion Status: QUESTION 1 "Suppose X has an exponential distribution with ß=1/2 , then P (X2 2) is " 0.3988 O 0.0183 0.4786 O 0.2916 QUESTION 2 "Suppose X has an exponential distribution with ß=1/4 , then P (Xs1.) is " O 0.9817 O 0.3246 O 0.4105 O 0.5116 QUESTION 3
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1. A process that is considered to be in control measures an ingredient in milliliters (ml). Below are the last 10 samples (each of size n=5) taken. Samples 1 2 3 4 6 7 8. 10 10 9 13 10 12 10 10 13 8 10 9 9 9 10 10 10 11 10 8 12 10 11 10 11 9 8 10 8 12 9. 9 11 10 10 11 12 8 10 12 8 12 10 9 10 10 9 9. 9. 12 a. If z=3, what are the control limits for the mean chart? b. What are the control limits for the range chart? c. Is the process in control?
5. In reading a burette to 0.01 ml the final figure has to be estimated. The following frequency table gives the final figures of 50 such readings. Carry out an appropriate significance test to determine whether some digits are preferred to others. 01234 5 6789 Digit Frequency 1 6453 112837
26-27. 28-30. 140 y = 4y =
84 None 3t у" - зу'— 4у %3 е"variationof parameters |
Webasskgh.het/web/Student/Assignment-Responses/submit?dep=23798372&tags=autosavelquestion3779659 11 O á * : O SPS Programs Online Locker: Virtu. A Untitled document- G kji - Google Search I Spanish Trevor is Interested in purchasing the local hardware/sporting goads store in the small town of Dove Creek, Montana. After exemining accounting records for the past several years, he found that the store has been grossing over $850 per day about 65% of the business days It is open. Estimate the probability that the store will gross over $850 for the following. (Round your answers to three decimal places.) (a) at least 3 out of 5 business days 0.65 (b) at least 6 out of 10 business days 0.591 (c) fewer than 5 out of 10 business days 0.629 (d) fewer than 6 out of the next 20 business days 0.839 shake your confidence in the statement p = 0.65? Might it make you suspect that p is less than 0.65? Explain. If the outcome described in part (d) actually occurred, might Yes. This is unlikely to…

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1. The amount of heavy metals absorbed using activated carbons from different materials Difforont ntration e GEMadra