Answer:
d. SYSTEMATIC SAMPLING
Step-by-step explanation:
Samples may be classified as:
Convenient: Sample drawn from a conveniently available pool.
Random: Basically, put all the options into a hat and drawn some of them.
Systematic: Every kth element is taken. For example, you want to survey something on the street, you interview every 5th person, for example.
Cluster: Divides population into groups, called clusters, and each element in the cluster is surveyed.
Stratified: Also divides the population into groups. However, then only some elements of the group are surveyed.
In this question:
Took every 10th member, that is, every kth member, which is systematic.
The correct answer is given by option d.
Answer:
a. 21/4, 11/2, 49/10, 5/1
b. James 5.5, Olivia 5 1/4, Feng 5, Carmela 4.9
Step-by-step explanation:
Answer:
x means 3.07
Step-by-step explanation:
Answer:
B=43 C=137 D=48
Step-by-step explanation:
b=43 because any small triangle you subtract each angle from 180 . 180-89-48= 43
c=137 because angle b and c make a supplementary angle so you subtract b from 180 to get c. 180-43= 137
d=48 because <edc is congruent to <eyx so they are the same size
Answer:
The sum of all integers is 774.
Step-by-step explanation:
Since √11 = 3.3166, and 3.3166 is not an integer, so the first integer is 4.
From 1 to 39, there are 39 integers. But we started with 4, so we take out 3 numbers (1, 2, 3). Therefore, there are 39 - 3 = 36 numbers left.
The total number between 4 and 39 is 36 = n.
Sn = n/2 x (a1 + an)
S36 = 36/2 x (4 + 39) = 18 x 43 = 774
