Q1. A drug company wanted to test a new indigestion medication. The researchers
ID: 3270571 • Letter: Q
Question
Q1.A drug company wanted to test a new indigestion medication. The researchers found 500 adults aged 25-35 and randomly assigned them to two groups. The first group received the new drug, while the second received a placebo. After one month of treatment, the percentage of each group whose indigestion symptoms decreased was recorded and compared.
What is the sample?
Q2.A drug company wanted to test a new indigestion medication. The researchers found 500 adults aged 25-35 and randomly assigned them to two groups. The first group received
the new drug, while the second received a placebo. After one month of treatment, the percentage of each group whose indigestion symptoms decreased was recorded and
compared.
What is the population of interest in this study?
Q3.Identify the type of sampling used.
Every fifth adult entering an airport is checked for extra security screening.
Options:
A .convenience
.cluster
.stratified
.simple random
Q4. Determine whether the quantitative variable is discrete or continuous.
the low temperature in degrees Fahrenheit on January 1st in Cheyenne, Wyoming
Options:
A. continuous
B. discrete
Q5. Classify the variable as qualitative or quantitative.
the number of calls received at a company's help desk
Options:
A. quantitative
B. qualitative
A .convenience
.cluster
.stratified
.simple random
Q4. Determine whether the quantitative variable is discrete or continuous.
the low temperature in degrees Fahrenheit on January 1st in Cheyenne, Wyoming
Options:
A. continuous
B. discrete
Q5. Classify the variable as qualitative or quantitative.
the number of calls received at a company's help desk
Options:
A. quantitative
B. qualitative
Explanation / Answer
1) 500 is the sample.
2) All adults aged 25-35 is the population of this study.
3) It is a case of Systematic sampling..not given in options?
4) Temperature is continuous variable as it does have fractional value too. For example: Today's temperature is 30.5 degree Celsius, here 30.5 is not a discretevariable and hence is a continuous variable.
5) Quantitative
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