Twenty students in class a and 20 students in class b were asked how many hours they took to prepare for an exam. the data sets represent their
answers
class a: (2,5, 7, 6, 4, 3, 8, 7, 4, 5, 7, 6,3,5, 4, 2, 4, 6, 3,5)
class b: {3, 7, 6, 4, 3, 2, 4,5,6,72,2,2,3,4,5, 2, 2,5,6)
which statement is true for the data sets?
a.
the mean study time of students in class a is less than students in
this b.
b.
the mean study time of students in class b is less than students in class a
c.
the median study time of students in class b is greater than students in class a
d.
the range of study time of students in class a is less than students in class b.
e.
the mean and median study time of students in class a and class b is equal

apes

explanation:

evolution theory

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

correct answer: understand the different control methods available

integrated pest management is an strategy that is based on the ecosystem and try to prevent the pest and the damage caused by them by applying combination of technique like habitat manipulation, biological control and use of resistant varieties.

the main aim of the integrated pest management is not to completely eliminate the pest but to strengthen the ecosystem so that conditions are favorable for plants and unfavorable for pests.