Topic
Q:
You want to test this hypothesis. Men smoke more than women.
Your variables are: Gender (Male, Female); No of Cigarettes per Day
Which statistical test you should choose?
A) Chi Square
B) Independent Samples t-test
(C) Crequency Distribution
(D) Crosstabs and Clustered Bar Charts
Q:
Which of the following is a type of \( t \) test?
A A three-sample \( t \) test
(B) A dependent samples \( t \) test
(C) A random samples \( t \) test
(D) A dependent population \( t \) test
Q:
Which of the following is the t-test in which the entire critical value is placed in either the upper/positive or
lower/negative tail, in other words, there is only one critical value of the test statistic?
A) Two-tailed test
(C) Normal test :
(D) z test
Q:
Question 2 of 9 , Step 1 of 1
Find the mean of the following data set. Assume the data set is a sample. Round your answer to the nearest hundredth, if necessary.
\[ 16,23,24,29,12,24,25,18,22,19,19 \]
Q:
Which Data Display is best for deciphering the Mode of your Data?
Histogram
Box and Whisker Plot
Circle Graph/Pie Chart
Dot Plot
Q:
At a festival, one game involves guessing the number of marbles in a plastic jar. The following data represents the guesses that people made during one hour at the
festival. Complete the frequency table for this data.
\[ 1222,1163,1181,1164,1182,1410,1420,1376,1213,1092,1060,1055,1451,1398,1376,1118 \]
Determine the frequency of each class in the table shown.
Q:
Question \( \mathbf{5} \) of 10 , Step 1 of 1
At a carnival, one game involves guessing the number of jellybeans in a plastic jar. The following data represents the guesses that people made during one hour at the
carnival. Complete the frequency table for this data.
\[ 1437,1016,1275,1326,1408,1384,1359,1458,1417,1223,1409,1291,1134,1190,1400,1287 \]
Determine the frequency of each class in the table shown.
Q:
Los siguientes datos corresponden a las masas corporales, en kilogramos, de los integrantes
de un equipo de fútbol.
\[ \left\{\left.\begin{array}{r}70-75-80-75-70-78-78-70-80-75-78-80 \\ 75-74-70-74-75-75-74-75-75-71-70-78\end{array} \right\rvert\,\right. \]
Construye un diagrama de cajón para la distribución de datos.
Q:
2) Un gerente de un pequeno cine estaba analizando el número de personas
van al cine durante la semana. Después de nueva dias, encontró los sigule
datos:
\( 81-89-92-85-93-62-85-105-90 \)
Icula el promedio, la mediana y la moda.
Q:
6. Los siguientes datos corresponden a las masas corporales, en kilogramos, de los integrantes
de un equipo de fútbol.
\( \left.\qquad \begin{array}{l}70-75-80-75-70-78-78-70-80-75-78-80 \\ 75-74-70-74-75-75-74-75-75-71-70-78\end{array}\right] \)
Construye un diagrama de cajón para la distribución de datos.
1. De acuerdo con ios datos: 1, 1, 1, 2, 2, 2, 3, 3 es verdadera que:
a) La media es mayor que 2
b) Los datos son amodales.
c) La mediana es 2,5
d) El percentil 80 se ubica en entre la 4 ta y 6 ta posición de los datos.
e) El segundo cuartil es 2
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