Russia has recently started a push for stronger smoking regulations much like those in Western countries...

Russia has recently started a push for stronger smoking regulations much like those in Western countries concerning cigarette advertising, smoking in public places, and so on. Listed below is sample data on smoking habits of Russians that are consistent with those Analyze the data and answer the following questions.

Develop a point estimate and a 95% confidence interval for the proportion of Russians who smoke.

Develop a point estimate and a 95% confidence interval for the mean annual per capita consumption (number of cigarettes) of a Russian.

For those Russians who do smoke, estimate the number of cigarettes smoked per day.

Smoker	Annual Consumption Number of Cigarettes
No	0
No	0
No	0
No	0
Yes	9208
No	0
Yes	14109
Yes	7320
No	0
Yes	5738
No	0
No	0
No	0
No	0
No	0
No	0
No	0
Yes	5732
Yes	7509
No	0
No	0
Yes	18049
Yes	8109
No	0
No	0
Yes	5088
Yes	2562
No	0
No	0
No	0
Yes	7847
Yes	10633
Yes	8692
No	0
Yes	3993
No	0
No	0
No	0
Yes	2308
No	0
Yes	4136
Yes	6128
No	0
No	0
No	0
Yes	7230
No	0
No	0
No	0
Yes	5119
Yes	6213
No	0
No	0
No	0
Yes	6231
No	0
Yes	7072
Yes	7176
Yes	3016
Yes	15504
Yes	17788
Yes	8734
No	0
No	0
No	0
No	0
No	0
Yes	2281
No	0
Yes	5359
No	0
No	0
Yes	5429
No	0
Yes	2512
No	0
No	0
Yes	6295
Yes	5276
No	0
No	0
No	0
No	0
No	0
No	0
No	0
Yes	9160
Yes	8648
No	0
No	0
Yes	8661
No	0
No	0
No	0
No	0
Yes	7705
No	0
No	0
No	0
No	0
Yes	2505
Yes	7862
No	0
No	0
Yes	3973
Yes	5811
No	0
No	0
No	0
Yes	7867
No	0
Yes	8346
Yes	8756
Yes	7864
No	0
Yes	8505
No	0
No	0
No	0
No	0
No	0
Yes	5687
Yes	16767
No	0
No	0
Yes	6605
No	0
No	0
No	0
No	0
No	0
No	0
Yes	9962
No	0
No	0
No	0
Yes	8193
Yes	7513
No	0
No	0
No	0
No	0
No	0
Yes	9260
Yes	9448
No	0
Yes	7342
No	0
No	0
Yes	3657
Yes	2411
No	0
No	0
No	0
No	0
Yes	7698
No	0
Yes	2483
No	0
No	0
Yes	4547
Yes	6171
Yes	7402
Yes	7470
No	0
No	0
No	0
No	0
No	0
No	0
No	0
No	0
No	0
Yes	7986
Yes	6694
Yes	5072
No	0
Yes	5483
Yes	4880
No	0
No	0
No	0
No	0
Yes	6734
No	0
Yes	5086
No	0
Yes	7506
No	0
No	0
Yes	6647
Yes	6391
No	0
No	0
Yes	5879
No	0
Yes	7666
Yes	8322
Yes	8247
Yes	5127
No	0
Yes	5270
No	0
Yes	2780
Yes	7047
Yes	9456
No	0
Yes	8246
No	0
No	0
Yes	7695
No	0
No	0
No	0
No	0
Yes	6568
No	0
No	0
Yes	15853
Yes	2622
No	0
No	0
No	0
No	0
Yes	5059
Yes	8556
Yes	1825
No	0
Yes	3847
Yes	3763
Yes	6564
No	0
Yes	4620
No	0
No	0
Yes	6627
No	0
Yes	7485
Yes	5935
No	0
No	0
Yes	2895
Yes	12360
No	0
No	0
No	0
No	0
No	0
No	0
No	0
No	0
No	0
No	0
No	0
No	0
No	0
Yes	5962
Yes	7592
Yes	7156
No	0
No	0
No	0
No	0
No	0
Yes	5400
Yes	6989
No	0
No	0
No	0
Yes	9653
No	0
Yes	9147
No	0
Yes	5521
No	0
Yes	13651
Yes	7112
Yes	5391
No	0
No	0
No	0
No	0
Yes	8901
Yes	4902
Yes	5909
No	0
Yes	7290
No	0
No	0
No	0
Yes	8606
No	0
No	0
No	0
Yes	8716
Yes	5203
Yes	4165
Yes	6364
No	0
Yes	2702

Expert Solution

a.
given that,
sample data on smoking habits of russians that are consistent with those analyze possibile chances (x)=134
sample size(n)=300
point of estimate = success rate ( p )= x/n = 0.4467
sample proportion = 0.4467

-------------------------------------------------------------------------------------------------------------------------------------

b.
We have considered a annual consumption number of cigarettes for smokers list within 120 members,

	Annual Consumption Number of Cigarettes
count	120
mean	6,965.00
sample variance	94,35,968.22
sample standard deviation	3,071.80
minimum	1825
maximum	18049
range	16224

sample mean, x =6965
standard deviation, s =3071.8
sample size, n =120
level of significance, α = 0.05
from standard normal table, two tailed value of |t α/2| with n-1 = 119 d.f is 1.98
we use CI = x ± t a/2 * (sd/ Sqrt(n))
where,
x = mean
sd = standard deviation
a = 1 - (confidence level/100)
ta/2 = t-table value
CI = confidence interval
confidence interval = [ 6965 ± t a/2 ( 3071.8/ Sqrt ( 120) ]
= [ 6965-(1.98 * 280.416) , 6965+(1.98 * 280.416) ]
= [ 6409.777 , 7520.223 ]

-----------------------------------------------------------------------------------------------------------------------------

c.

estimate the number of cigarettes smoked per year will be = mean rate of cigarettes per year = 6965

when considered for a single day = 6965/365 = 19.082 ~ 19 cigarettes per a day

orchestra answered 1 year ago

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