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davenport stat500 week 1 quiz ch 1 and 2

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Question;?;1;Determine whether the given value is a statistic;or parameter.;After inspecting all of 55,000 kg of meat stored in Worst Sausage Company, it;was found that 45,000 kg of meat was spoiled.;?;Question 2;5 out of 5 points;Determine whether the given value is a statistic;or parameter.;A sample of 120 employees of a company is selected, and the average age is;found to be 37 years.;?;Question 3;5 out of 5 points;Determine which of the four levels of measurement;(nominal, ordinal, interval, ratio) is most appropriate.;Survey responses of "good", "better", "best".;?;Question 4;5 out of 5 points;Determine which of the four levels of measurement;(nominal, ordinal, interval, ratio) is most appropriate.;The subjects in which college students major.;?;Question 5;5 out of 5 points;Identify the sample and population. Also;determine whether the sample is likely to be representative of the;population.;100,00 randomly selected adults were asked whether they drink at least 48oz;of water each day and only 45% said yes.;?;Question 6;5 out of 5 points;Identify which type of sampling method was used;A pollster uses a computer to generate 500 random numbers, then interviews;the voters corresponding to those numbers.;?;Question 7;5 out of 5 points;Identify which sampling method is used;A market researcher selects 500 drivers under 30 years of age and 500 drivers;over 30 years of age.;?;Question 8;0 out of 5 points;Provide an appropriate response.;An education expert is researching teaching methods and wishes to interview;teachers from a particular school district. She randomly selects ten schools;from the district and then interviews all of the teachers at the selected;schools. Does this sampling plan result in a random sample? Simple random;sample? Explain.;?;Question 9;5 out of 5 points;Provide an appropriate response.;A polling company obtains an alphabetical list of of names of voters in a;precinct. They select every 20th person from the list until a sample of 100;is obtained. They then call these 100 people. Does this sampling plan result;in a random sample? Simple random sample? Explain.;?;Question 10;5 out of 5 points;The;frequency distribution for the weekly incomes of part time students is given;below.Construct the corresponding relative frequency;distribution. Round relative frequencies to the nearest hundredth of a;percent, if necessary.;Income;($);Frequency;200-300;56;301-400;50;401-500;81;501-600;67;More;than 600;16;?;Question 11;5 out of 5 points;Find;the original data from the stem plot.;Stem;Leaves;2;6 8;3;1 8;4;6 6;?;Question 12;5 out of 5 points;Which of the following describes a histogram?;T

 

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