Question

uctions: Show all your work for each of the problems to obtain partial credits I. Identification Questions (1) Identify the type of data (Qualitative or Quantitative), if quantitative, continus or the level (nominal, ordinal, interval, ratio) of measurement most suitable in el Description Qualitative Quantitative Discrete/Continnous Measurment (a) The type of cars in the parking lot (b) The height of students in our c The ages in years of current LIU professors (d) The final scores of every game the NY NET team played in 2009 (c) The ID numbers of students at LIU (G) The pulse rate of women (B) The gender of subjects in Preshman 15 (b) The body temperature of infants (i) A movie critic's ratings of must see recommended, not recommended, don't even think about going used when a sample of the 637, 133 stockholders is obtained as described. Then determine whether the sampling scheme is likely to result in a sample that is representative of the population of all 637, 133 stockholders. (2) IBM Surveys Identify the type of sampling (random, systematic, convenience, stratified, cl Sample-Type Representative Description (a) A complete list of all stockholders is compiled and (b) At the annual stockholders' meeting, a survey is (c) Fifty different stockholders are randomly selected (d) A computer file of all IBM stockholders is compiled every 500t is selected conducted of all who attend and a survey is made of all their clients who own shares of IBM so that they are all numbered consecutively, then random numbers generated by computer are used to select the sample of stockholders (e) All stockholders zip codes are collected, and 5 tockholders are randomly selected from each zip code (3) Identify whether the given value is a statistic or a parameter escription Statistic Parameter -T a Among the Senators in the current Congress, 44% are democrats T'be aut hot found that the average value of voltage supplied to his home on 30 days is 123.7 volts survey of all 2223 passengers aboard the Titanic found that 706 survived when it sunk (dl) T'he average salary of 50 randomly chosen recent LIU employees is $42,9

Answer 1

Solution:-

3) a) Parameters.

A parameter is any numerical quantity that characterises a given population or some aspect of it. This means the parameter tells us something about the whole population.

b) Statistics

A statistic or sample statistic is a single measure of some attribute of a sample (e.g. its arithmetic mean value).

c) Parameters.

d) Statistics