Tema
Q:
Question 1: Find the range for each of the following
\( \begin{array}{ll}\text { (a) } 5,9,1,5,7,4,3 & \text { (b) } 6,7,10,8,9,9\end{array} \)
Q:
Identifica la moda del siguiente conjunto
de datos estadísticos.
\( 3.2,7.7,4.1,0.9,4.1,3.2,0.9,11.4,2.5 \),
\( 7.1,7.6,0.8 \)
(O) 0.8
(O.2, \( 0.9,3.2,4.1 \)
(o) \( 0.9,2.5,7.7 \)
Q:
3. Identifica la moda del siguiente conjunto
de datos estadísticos.
\( 8,14,2,7,11,10,10,7,3,7,1,7 \)
() 10,14
( 14
( 7
(o) 10
Q:
Assume that a sample is used to estimate a population mean \( \mu \). Find the \( 99.9 \% \) confidence interval for a
sample of size 75 with a mean of 44.5 and a standard deviation of 20.7 . Enter your answer as an open-
interval (i.e., parentheses) accurate to one decimal place (because the sample statistics are reported
accurate to one decimal place).
\( 99.9 \% \) C.I. \( = \)
Answer should be obtained without any preliminary rounding. However, the critical value may be rounded
to 3 decimal places.
Q:
Identifica la moda del siguiente conjunto
de datos estadísticos.
1.8, \( 9.4,7.3,4.6,10.5,3.7,4.9,8.1,4.6 \),
\( 5.1,7.6,4.4 \)
() 4.6
(a) 7.3
(? 9.4
( 1.8
Q:
Identifica la moda del siguiente conjunto
de datos estadísticos.
\( 3,1,3,1,6,6,3,2,6,4,5,5 \)
(?) \( 1,5,6 \)
( 3,6
() 1,6
Q:
Problem 8 ( 10 points). Suppose that \( 60 \% \) of all Miami-Dade residents prefer Coke over Pepsi in
a taste test. You randomly sample (poll) \( N=175 \) Miami-Dade residents and determine the number
(X) who prefer Coke over Pepsi. Compute the probability that \( 55 \% \) or more of the polled individuals
prefer Coke.
Q:
From the following scenarios, choose which will likely have no correlation.
Answer
\[ \begin{array}{l}\text { The weight of a dog and the number of commands known } \\ \text { The number of books an adult reads each month and the length of their hair } \\ \text { The weight of a dog and their daily food intake }\end{array} \]
The child and their height
Q:
From the following scenarios, choose which will likely have no correlation.
Answer
\[ \begin{array}{l}\text { The weight of a dog and the number of commands known } \\ \text { The number of books an adult reads each month and the length of their hair } \\ \text { The weight of a dog and their daily food intake } \\ \text { The whild their height }\end{array} \]
Q:
From the following scenarios, choose which will likely have no correlation.
Answer
\[ \begin{array}{l}\text { The age of an adult and their bone density } \\ \text { The age of a dog and their energy levels } \\ \text { The weight of a dog and the number of commands known }\end{array} \]
The rups of coffee a person drinks per week and the number of minutes spent on social media sit
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