Question

You need to test a claim that more than 18% of students at your campus do not know their blood types. Which sampling method would you use? Where would you collect the sample? Describe how you plan to use the chosen sampling method to collect the data.

Answer 1

Answer :

given data :-

You need to test a claim that more than 18% of students at your campus do not know their blood types

Inspecting technique to gather information :-

Stratified Sapling Method as pursues,

Stage 1:

• Acquire the Total number of understudies in the campus= N.

Stage 2:

• Give Serial Numbers to every understudy arbitrarily beginning from 1 upto N covering all the N understudies of the grounds.

Stage 3:

• Acquire the Sample Size = n by applying factual procedures.

Sep 4:

• Group the whole grounds into m free non-covering divisions. Here we call every office as stratum.

Stage 5:

• Depending up to the span of every one of the m strata ascertain these adequate size nm with the goal that the aggregate of every one of these examples = n

Stage 6:

• Through Random Sampling system, get the examples containing Serial quantities of understudies in every stratum.

Stage 7:

• The accumulation of these nm tests, equalling all out n is the ideal example of understudies chose for the required study.