HLT362V Week 1 Homework EX#16 Answers for EXERCISE 16 page 122 (Questions 1- 4 are optional)• Mean and Standard Deviation Exercise 16: Mean and Standard Deviation 1. The researchers analyzed the data they collected as though it were at what level of measurement? a. Nominal b. Ordinal c. Interval/ratio d. Experimental Answer: c. The researchers analyzed the data as though it were at the interval/ratio level since they calculated means (the measure of central tendency that is appropriate
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Statistics Test Pearson’s correlation test Correlation is a technique for investigating the relationship between two quantitative‚ continuous variables‚ for example‚ age and blood pressure. Pearson’s correlation coefficient (r) is a measure of the strength of the association between the two variables. The nearer the scatter of points is to a straight line‚ the higher the strength of association between the variables. Also‚ it does not matter what measurement units are used (URL1)
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Question1: Frequency Distribution. Histograms‚ Cumulative Frequency and Ogives. 1) a) 799 b) 1000 c) 900+9992 = 949.5 d) Lower Class Boundary=1100-0.5 =1099.5 Upper Class Boundary=1199.5+0.5=1199.5 e) 100 f) 76 g) 62400×100=15.5 h) 600-699‚ the fourth class has the largest frequency of 76. i)14+46+58400 ×100=29.5% j) 48+22+6400 ×100=19.0% k) 4002=200 200 lie in the fifth class interval 700-799 ∴The median lies in this interval. =l+n2-cff×h =700+200-19468×99 =708.735 l)
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not be dismissed: Tremors‚ convulsions‚ or uncontrolled shaking of the hands (or even the entire body) Profuse sweating‚ even in cold conditions Extreme agitation or anxiety Persistent insomnia Nausea or vomiting Seizures Hallucinations Statistics of Alcohol Addicts MANILA‚ Philippines - The Geneva-based World Health Organization‚ in its report released early this month‚ warned of excessive alcohol use‚ saying its toll in terms of human lives has become increasingly alarming. Some 2.5 million
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Biblical Passage: 1 Samuel 17:32-54 The passage of 1 Samuel 17:32-54 opens with a brief discussion between Saul and David over the Philistine giant Goliath. A terrified Saul pleads with David not to accept Goliath’s challenge of a fight to the death. However‚ David is determined on confronting the giant as he has insulted God and His people. After hearing David’s passionate words‚ Saul allows him to fight. Approaching Goliath‚ David is dressed in a simple tunic‚ carrying a staff as
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qualities that somehow merit noticeable recognition. Some listeners might point out that the song became a hit because of its good rhythm‚ while others will claim that it was due to its melody. In reality‚ however‚ this might not necessarily be the case. For every song that becomes a mainstream hit‚ chances are that there are a countless number of similar songs that go completely unrecognized. This raises a question‚ who is controlling the music market? The truth of the matter is that‚ for the
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There are three basic operational rules which help to simplify the use of the sigma notation. 1. For any integer N Operational Rules for Summation N i i N i i N i i i y x y x 1 1 1 2. If c is a constant‚ that is‚ does not depend on the index of summation i‚ then Continue... Nc c and x c cx N i N i i N i i 1 1 1 The graphical representation of data gives us the idea on the shape of the distribution
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Exam Name___________________________________ Instructions: Read all the questions carefully and show all your work for full credit. All answers must be supported by correct work to receive full credit. SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Solve the problem. 1) Multiple-choice questions on a test each have 4 possible answers‚ one of which is correct. Assume that you guess the answers to 4 such questions. a. Use the multiplication rule to
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Statistics Cheat Sheet Proportion = Frequency x 100 = Percentage Total No | Z score (standardised value)-how many sds from the mean the value liesZ score = data value – mean Standard deviation | Metric Data = ExploreCategory = Frequencies | Bigger sample size will give a narrower confidence interval range (more specific) outliers affect the mean but not the median – this is why the median is preferred here.mean | | Reports -Only give confidence
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Next‚ check and service refrigerators regularly. So‚ the chilled food will not spoil as fridge functions well. Frozen food and raw ingredients should not order in bulk‚ but in small quantity. This can maintain freshness of food and reduce wastage in case electrical breakdown and failure. Some kitchen appliances such as oil and gas should use safely‚ under particular condition. Ensure all the chefs know controlling heat when cooking because thorough cooking kills almost all dangerous
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