GET SOLVED ASSIGNMENTS
WHATSAPP NUMBER-
9967480770
Internal
Assignment Applicable for December 2017 Examination
Course:
Business Statistics
1. The sample data from a research survey
conducted in various countries on the amount of time 3-5 year-old children
spent alone with their fathers each day is as follows:
Country Time
with Dad (minutes)
Bangladesh 30
Bhutan 46
China 54
Nepal 50
Pakistan 46
Nigeria 42
Korea 46
Russia 42
India 50
For the above sample, determine the
following measures:
a. The mean
b. The standard deviation
c. The mode
d. The 75th percentile
Based on your calculations comment on the
father-children relationship (10 Marks)
2. ‘Prince’ a chaiwala at Mumbai Central
station believes that the sales of tea at his tea shop depends upon the
weather. He has taken a sample of a week’s data. Below you are given the results
of the sample.
Cups Sold Temperature
350 50
200 60
210 70
100 80
80 90
70 100
50 110
a. Which variable is the dependent
variable?
b. Compute the least squares estimated
line.
c. Is there a significant relationship
between the sales of coffee and temperature?
e. Predict sales of a 95 degree day.
3. According to one of the recent study
published in an International report, the cost of medical malpractice in the
United States is USD 55.6 billion a year, which is approximately 2.4 percent of
US annual health-care spending. An earlier research report published in 2011,
in the New England Journal of Medicine revealed that, during the period 1991 to
2005, 7.4 percent of all physicians licensed in the US had a malpractice claim.
These staggering numbers not only contribute to the high cost of health care,
but the size of successful malpractice claims also contributes to high premiums
for medical malpractice insurance. The table below contains a sample of data
set of claim payments made in a year’s time and other information about the
claimant.
|
Amount (in USD)
|
Age
|
Marital Status
|
Insurance type
|
Gender
|
|
2
|
45
|
Single
|
Private
|
Male
|
|
5
|
34
|
Married
|
Medicare
|
Male
|
|
3.5
|
29
|
Married
|
Private
|
Female
|
|
160
|
46
|
Single
|
Workers compensation
|
Male
|
|
4
|
56
|
Married
|
Private
|
Female
|
|
155
|
45
|
Single
|
Private
|
Female
|
|
45
|
44
|
Married
|
Medicare
|
Male
|
|
3
|
56
|
Single
|
No insurance
|
Male
|
|
20
|
43
|
Single
|
Private
|
Male
|
a. Using descriptive statistics explore
claim payment amounts, and identify factors that appear to influence the amount
of the payment.
b. Do a correlation analysis between
‘Amount’ and ‘Age’ and interpreted the coefficient of correlation.
GET SOLVED ASSIGNMENTS
WHATSAPP NUMBER-
9967480770
No comments:
Post a Comment