Mathematics, 28.09.2020 14:01 mrmendrala
2.2 Read the brief report of some statistical research below, and
a) explain why it is an experiment rather than an observational study
Antibiotics are commonly using to treat sinus infections. Alternatively a sterold solution
can be sprayed into the nose.
In a trial, 240 patients with a sinus infection were assigned to the treatments as follows:
The severity and length of the sinus infection was recorded for all patients.
Identify:
b) the factor(s) in the experiment and the number of levels for each
c) the number of treatments
d) the response variable(s) measured
e) whether it was blind, or double-blind
f) the nature and scope of the conclusion the experiment can reach
Answers: 1
Mathematics, 21.06.2019 19:00
Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?
Answers: 1
Mathematics, 21.06.2019 21:50
Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent
Answers: 1
Mathematics, 22.06.2019 00:30
The nth term of a sequence in 2n-1 the nth term of a different sequence is 3n+1 work out 3 numbers that are in bothe sequences and are between 20 and 40
Answers: 2
2.2 Read the brief report of some statistical research below, and
a) explain why it is an experimen...
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