Answer:
Step-by-step explanation:
to get the mean you need to add up all the numbers
46+52+51+54+49+51+61=364
then divide that sum by the amount of numbers you have
364 divided by 7=52
so the mean you have is 52 degrees
Answer:
Step-by-step explanation:
The exponential function that decrease by 15% every time x increases by 1 is given by:
We simplify the parenthesis to get:
Therefore the decrease by 15% every time x increases by 1 is
The second choice is correct.
Answer:
90 kg of stone
Step-by-step explanation:
Adam has 8 x 25 = 200
19 x 22.5 = 427.5
20 x 50 = 1000
He has enough cement and sand
He needs 1090 - 1000 = 90 kg of stone
He needs 2 bags of stone
Answer:
$96 is the original price of book
Step-by-step explanation:
keep the unknown value as X
(19.2/X)*100 = 20%
19.2/X = 0.2
19.2/0.2 = X
X = 96
Answer:
Answer in explanation
Step-by-step explanation:
In this question, we are asked to determine what could have happened if the same experiment carried out by two academicians turned out to five different results statistically.
What majorly could have caused this is the difference in sample size. In a scientific experiment, the term sample size refers to how many individual observations are present.
Due to this difference in sample size, an experiment conducted with more sample size is expected to yield a greater amount of degree of freedom.
Thus, the small differences between the groups of observations are likely to be statistically significant.
