401365 The Efficacy of Drug Assignment Sample

Healthcare Data for Decision Making - Question 1

a) The efficacy of the drug is better than that of the placebo. This is inferred from the lower mean of the anxiety scores of the drug group i.e. 16.0833 than the placebo group i.e. 17.5833.

b) (mean+1.96*SEM, mean-1.96*sem)

SEM=SD/√N

=4.441539/√12

=4.44153/3.46

=1.28

c) CI for 95% significance= (1.5+1.96*1.28,1.5-1.96*1.28)

= (4, -1)

Healthcare Data for Decision Making - Question 2

a) 2*2 TABLE

b) Total children =240

Strength of vaccination campaign should aim at achieving 100%.

• Before the campaign, it was:

192/240=80%.

80% said they had vaccination before.

• After the campaign from the 192, 188 said they had vaccination and from the 48, 11 said they had vaccination.
• After 8 months of campaign:

188+11/240=82.91%, said they had vaccination.

• There is a 2.91% increase in vaccination usage after 8 months of campaign.

c) Increase of 2.91 % vaccination usage after 8 months of campaign shows a slight compliance of immunization schedule by the population. There is a need for a robust mechanism to achieve the 100% immunization rate with highest amount of compliance from the government officials and the health care providers.

Healthcare Data for Decision Making - Question 3

a) 2*2 Table

b) Correction *Instead of 290, it should have been 243.

Odds Ratio=ad/bc

=14*137/106*33

=1918/3498

=0.54

c) Lower odds of association between TV and overweight.

Healthcare Data for Decision Making - Question 4

1. As we see the graphs (B1), (B2) does not have a bell shaped curve so we can concur that it is not normally distributed.
2. This test is appropriate so that hypothesis can be tested such that the data collected from the probability distribution of which that is hypothesized. It can help in making the decision which of the null and alternative hypothesis.

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