Question

For statements (a)–(h), state whether descriptive or inferential statistics has been used.

(a) By 2040 at least 3.5 billion people will run short of water (World Future Society).

(b) In a sample of 100 on-the-job fatalities, 90% of the victims were men.

(c) In a survey of 1000 adults, 34% said that they posted notes on social media websites (Source: AARP Survey).

(d) In a poll of 3036 adults, 32% said that they got a flu shot at a retail clinic (Source: Harris Interactive Poll).

(e) Allergy therapy makes bees go away (Source: Prevention).

(f) Drinking decaffeinated coffee can raise cholesterol levels by 7% (Source: American Heart Association).

(g) The average stay in a hospital for 2000 patients who had circulatory system problems was 4.7 days.

(h) Experts say that mortgage rates may soon hit bottom (Source: USA TODAY ).

Answer 1

Solution

For statements (a)-(h), state whether descriptive or inferential statistics has been
used.
(a) By 2040 at least 3.5 billion people will run short of water (World Future Society).
Ans. Inferential ■.
(b) In a sample of 100 on-the-job fatalities, 90% of the victims were men.
Ans. Desriptive ■.
(c) In a survey of 1000 adults, 34% said that they posted notes on social media websites (Source:
AARP Survey).
Ans. Desriptive ■.
(d) In a poll of 3036 adults, 32% said that they got a u shot at a retail clinic (Source: Harris
Interactive Poll).
Ans. Desriptive ■.
(e) Allergy therapy makes bees go away (Source: Prevention).
Ans. Inferential ■.
(f) Drinking deca einated co ee can raise cholesterol levels by 7% (Source: American Heart Asso-
ciation).
Ans. Inferential ■.
(g) The average stay in a hospital for 2000 patients who had circulatory system problems was 4.7
days.
Ans. Desriptive ■.
(h) Experts say that mortgage rates may soon hit bottom (Source: USA TODAY).
Ans. Inferential ■.

.