Sum morizing Doto: Shotisical Descriptions Exercises 3.1.3.3.10. 17, and 3.1S ar

Question

Sum morizing Doto: Shotisical Descriptions Exercises 3.1.3.3.10. 17, and 3.1S are pracser ertrases; their co plete sollMa are given on page e 3l Which of the tolowing are statistics, and which are parameien (a) A statistical measure that is calculated from or used to doscib" population (b) A statistical measure that is caleulated from or used to describe a sample (c) A statistical measure that is caiculated from or used to describe a large sample (d) A tatistical measure that is calculaied from or used to descrihe a sma popolation Which of the tollowing are stacistics, and whicb are parameters? (a) The mean height of a sample of busk elball players in the National Bskethal 32 Association (b) The mean weight of the population of footbal players on the Washington Redskins tearn (c) The mean hlood pressure of the population of patients in the cardiac ward of hospital (d) The mean grade of studects in a certain elementary algrbra section at coilege, which is used to estimate the meao grade of all tudents in all seutions of elemenuary algebra an the college Suppose that the research department of a pharmaceutical company has complete nformation about the effects of a weight reducicg pil on a group of 100 volustary subjects. Give one ilusaation each of a sitation where the mean weigh: reduction of the voluntary sabjects in the study would be looked upom as (a) a parameter (b) a statistic. 4 The one-year survaval rate for patients receiving organ traasplants of heart, heart- lung, leng, liver, kidney, kidney-pancreas, pancreas, and meestie are 62, 53 724,782, 90 o, 922. 8.3. anaso 9% , respectively. Find the sean overa. percentage of patients who survive their organ tronsplants by at least one year. S According to the U.S. Census Bureau, the expectation of lfe at berth (in years) in the year 2101 Sor sclocted natioes was as follows Country Years Ceantry Argentina 733 Iedia Australia Belgiun Brazu Canada Chle China Egyp Years 66.1 #2 799 Italy 780 Japa 63.2 Mesico 741 6 Netherlands 59 Russa s Span 66.8 80.2 66.2 63 Ukraine

Explanation / Answer

SOlving 3.1 Please repost the rest indiviually

a) Is a parameter because it decribes a population

b) Is a stastic because it decribes a sample

c)

Is a stastic because it decribes a sample

d)Is a parameter because it decribes a population , however small it may be.

3.2) a)

Stastic

b) Parameter

c) Parameter

d) stastic

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