Topic
Q:
What is the mean of the data set?28, 44, 20, 20
Q:
You are a newsvendor selling San Pedro Times every morning. Before you get to work, you go to the printer
and buy the day's paper for \( \$ 0.25 \) a copy. You sell a copy of San Pedro Times for \( \$ 1.00 \). Daily demand is
distributed normally with mean \( =250 \) and standard deviation \( =50 \). At the end of each morning, any leftover
copies are worthless and they go to a recycle bin.
Part (a). How many copies of San Pedro Times should you buy each morning ( 2 point)?
Part (b). Based on (a) what is the probability that you will run out of stock ( 1 point)?
I
Q:
In general, the weight of an animal increases with age.
What could be the correlation between the weight and age of all animals?
0.1
0.65
0.09
Q:
In one study, it was found that the correlation coefficient between two variables is -0.95 .
Which statement is true?
There is almost no association between the variables.
There is a strong negative association between the variables.
There is a strong positive association between the variables.
There is a perfect association between the variables.
Q:
(Mean, Median, Mode, Range, MAD, IQR)
Find the mean \& median
Mean \( =\square \) Median =
Q:
PARTE 2
1. Realizar un esquema donde resuma cuales son las técnicas de
conteo en estadística (SU DEFINICIÓN, PROPIEDADES Y
FORMULAS) y realice un ejemplo de cada una de las técnicas
de conteo. Debe estar muy bien organizado y relacionado el
esquema.
Q:
Se preguntó a 1140 alumnos sobre su
materia favorita y contestaron lo siguiente: el
\( 10 \% \) eligió Historia, el 20\% Biología, el 30\%,
Español y el 40\% prefiere las Matemáticas.
¿Cuál de las gráficas circulares representa
esta situación?
Q:
PARTE 2
1. Realizar un esquema donde resuma cuales son las técnicas de
conteo en estadística (SU DEFINICIÓN, PROPIEDADES Y
FORMULAS) y realice un ejemplo de cada una de las técnicas
de conteo. Debe estar muy bien organizado y relacionado el
esquema.
Q:
What is the standard deviation of the previous example
(rounded to the nearest dollar)?
Q:
Which of the following variables is continuous?
Temperature
Age in years
Pick 4 Lottery Combinations
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