Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
-
what is the median? 6 1 8 1 3 5 7
# Explicación: ## Paso 1: Ordenar los números 1, 1, 3, 5, 6, 7, 8 ## Paso 2: Encontrar el valor central Hay 7 números. El valor central es el 4º número en la lista ordenada. # Res…
-
a card is drawn from a standard deck of 52 playing cards. find the prob…
C. $\frac{2}{13}$
-
in the data set below, what is the interquartile range? 6 6 1 4 1 1 9 8
6
-
mariana is considering a vacation and has obtained high - temperature d…
Miami has less variability in temperatures because its standard deviation (\(s_{M}\approx4.09\)) is less than that of Los Angeles (\(s_{L}\approx5.32\)).
-
a) describe the shape of the strength distribution. the distribution is…
a) The shape of the strength distribution is bell - shaped (normal) as it is unimodal, symmetric and has no outliers. b) Without data values, we cannot calculate the exact range. …
-
the citizens of a city were asked to choose their favorite type of pet.…
23100
-
by visual inspection, determine the best - fitting regression model for…
Linear regression model
-
a standard deck of cards contains 51 cards. one card is selected from t…
a. $\frac{1}{2}$ b. $\frac{3}{4}$ c. $\frac{4}{13}$
-
5. a standard deck of cards contains 51 cards. one card is selected fro…
a. $\frac{1}{2}$ b. $\frac{3}{4}$ c. $\frac{4}{13}$
-
a probability experiment is conducted in which the sample space of the …
No, because the outcome 11 is in both E and F.
-
question rewrite in simplest terms: -2k - 7(8k + 4) answer attempt 1 ou…
$-58k - 28$
-
read this example of incorrect sentence structure. heavy, black clouds …
Heavy, black clouds rushing in from the horizon, get under cover.
-
read the paragraph. spring arrives suddenly. buds appear on the rosebus…
by combining ideas in a complex sentence by combining ideas in a compound sentence by introducing a new idea
-
president roosevelt called december 7, 1941, “a date which will live in…
B. dishonor
-
which of the following correctly identifies if the statement is true or…
B. false; The base, $-x$, is used as a factor $y$ times. The expression $-x^y$, means the opposite of $x^y$.
-
4. he explored one doorway after another, looking for his personal exit…
D. It leads to a conflict between Davon and the other player.
-
question 9 of 10 if the r - value, or correlation coefficient, of a dat…
D. 0.857
-
question 8 of 10 the residuals for data set a and data set b were calcu…
A. Data set A is not linear, and data set B is linear
-
question 7 of 10 if the coefficient of determination for a data set con…
D. 8
-
1127. find the product of the monomials. b. $5x^{2}y^{3}cdot(- 2\frac{3…
$-\frac{55}{4}x^{3}y^{9}$ ### Ch.1:123d. Compare the expression to zero
-
question 6 of 10 which statement about residual plots is not true? a. t…
A. The x - axis appears in the middle of the graph; B. If there is an obvious pattern, the model is probably reasonable.
-
question 5 of 10 what does it mean to say that a data point has a resid…
D. The point lies directly on the regression line.
-
question 4 of 10 which of these cannot be an r² - value? a. -0.75 b. 1 …
A. -0.75
-
advanced mathematics decision making sem 2 3.4.3 quiz: assessing data m…
$0.929$
-
question 2 of 10 a set of data points has a line of best fit of $hat{y}…
D. -1.5
-
question 1 of 10 a data set contains three points, and two of the resid…
A. 6
-
question 10 of 10 suppose the linear regression line y = 3.009x - 77.13…
C. $750$
-
3.3.3 quiz: regression methods what is the equation of the line of best…
\(y = 1.164x+0.885\)
-
question 8 of 10 a line of best fit was drawn for 7 data points. what i…
A. 7
-
the equation of the regression line for the data in the table is $hat{y…
If we consider \(x = 62\) (Alice's height), the predicted walking speed \(\hat{y}=112.4\) m/min. (You can repeat this process for other height values in the table).
-
to find the equation of a regression line, $hat{y}=ax + b$, you need th…
A. - 5.819
-
a calculator was used to perform a linear regression on the values in t…
$y=-3.1x + 12.9$
-
3.3.3 quiz: regression methods select the correct word or phrase that c…
B. sum of the squared
-
question 3 of 10 a data set consists of these points: (2, 4), (4, 7), (…
A. Yes. This is the correct equation.
-
suppose the line of best fit is drawn for some data points. if the mean…
A. $(8, - 10)$
-
question 1 of 10 to find the equation of a regression line, $hat{y}=ax …
$1.245$
-
question 9 of 10 which of these r - values represents the strongest cor…
D. -0.9
-
question 8 of 10 which of these is not a possible r - value? a. -0.1 b.…
C. 1.2
-
question 7 of 10 what is the r - value of the following data to three d…
\(-0.901\)
-
the following boxplot summarizes the heights of a sample of 100 trees g…
D. No, because 43 is not greater than (Q3 + 1.5×IQR)
-
at a photography contest, entries are scored on a scale from 1 to 100. …
A. There were 770 entries with a score less than or equal to 68.
-
3.23 quiz: correlation. after entering the table values in his calculat…
The correlation coefficient is $r=-0.2984713607$ and the type of correlation is negative correlation.
-
what type of correlation does the data set display? | x | y | |----|---…
No correlation
-
which of the following graphs shows a positive linear relationship with…
C. Graph C
-
question 3 of 10 for which of these does correlation most likely imply …
A. As grade point average increases, the number of scholarship offers increases.
-
a statistician at a metal manufacturing plant is sampling the thickness…
E. 24.9 mm
-
3.2.3 quiz: correlation which graph best represents the following situa…
A. Graph A
-
twin brothers andres and mateo sat across from their best friends keish…
D. It reveals Mateo's lesson about the importance of family connections and memories.
-
question 1 of 10 which of these r - values represents the weakest corre…
D. 0.2
-
the following list shows the selling prices of 8 houses in a certain to…
B. $283,300$
-
a golfer recorded the following scores for each of four rounds of golf:…
D. $\sum(x - \bar{x})^2=(86 - 84)^2+(81 - 84)^2+(87 - 84)^2+(82 - 84)^2$
-
davon studied the shiny, black virtual reality headset in his hands. th…
D. It gives background information about Davon's family situation.
-
roger claims that the two statistics most likely to change greatly when…
B. No, only the mean is likely to change greatly.
-
question 6 of 10 the independent variable of a data set is y, while the…
B. z
-
the following histogram shows the ages, in years, of the people who att…
D. The mean is most likely greater than the median because the distribution is skewed to the right.
-
question 1 of 10 estimate the line of best fit using two points on the …
$y=-8x + 80$
-
bell work: what does the following quote mean? explain in 3 complete se…
The quote means that while the vast universe is full of uncertainties, an individual has the power and certainty to work on and improve themselves. It highlights the importance of…
-
an amusement park attraction has a sign that indicates that a person mu…
E. 100%
-
when artifacts and structures from a particular time and place are grou…
archaeological culture.
-
the following boxplot shows the typical gas mileage, in miles per gallo…
D. 35
-
the following boxplot shows the typical gas mileage, in miles per gallo…
D. 35
-
the most appropriate measure of center for this data is the median. com…
65
-
in the data set below, what is the interquartile range? 16 49 73 53 18 …
# Explicación: ## Paso 1: Ordenar el conjunto de datos $16, 18, 27, 27, 27, 28, 31, 49, 51, 53, 69, 73, 78$ ## Paso 2: Encontrar la mediana (Q2) Como hay 13 valores, la mediana es…
-
the most appropriate measure of center for this data is the median. whi…
The median of the data is 65. Since the mean is 66.1 and the median is 65, the mean is greater than the median.
-
the most appropriate measure of center for this data is the median. whi…
The mean is greater than the median.
-
the most appropriate measure of center for this data is the done mean m…
median
-
what is the general shape of the data? skewed symmetric constant many p…
skewed
-
in the data set below, what are the lower quartile, the median, and the…
# Explanation: ## Paso 1: Ordenar el conjunto de datos Ordenamos los datos: 3, 3, 3, 4, 4, 6, 6, 8, 8, 8. ## Paso 2: Calcular la mediana El número de datos $n = 10$ (par). La medi…
-
when artifacts and structures from a particular time and place are grou…
A. assemblage
-
in the data set below, what is the interquartile range? 62 41 62 68 89 …
# Explicación: ## Paso 1: Ordenar los datos Ordenamos el conjunto de datos: $41,62,62,68,89,93$. ## Paso 2: Encontrar la mediana (Q2) Como hay 6 datos (un número par), la mediana …
-
in the data set below, what are the lower quartile, the median, and the…
# Explanation: ## Paso 1: Ordenar los datos Ordenamos el conjunto de datos: $4,6,6,8,8,9$. ## Paso 2: Calcular la mediana El número de datos $n = 6$ (par). La mediana es el promed…
-
in the data set below, what is the interquartile range? 1 1 1 1 3 3 5 6
# Explicación: ## Paso 1: Ordenar el conjunto de datos (ya está ordenado) 1, 1, 1, 1, 3, 3, 5, 6 ## Paso 2: Encontrar la mediana (Q2) El conjunto tiene 8 datos. La mediana es el p…
-
in the data set below, what is the interquartile range? 34 54 54 55 65
# Explicación: ## Paso 1: Ordenar el conjunto de datos 34, 54, 54, 55, 65 (ya está ordenado) ## Paso 2: Encontrar la mediana (Q2) Como hay 5 valores, la mediana es el tercer valor…
-
in the data set below, what is the interquartile range? 58 61 69 78 85 …
# Explicación: ## Paso 1: Ordenar el conjunto de datos El conjunto de datos ya está ordenado: 58, 61, 69, 78, 85, 85, 87, 88, 90, 93, 98. ## Paso 2: Encontrar el primer cuartil ($…
-
in the data set below, what is the interquartile range? 1 1 1 1 1 3 3 4…
# Explanation: ## Paso 1: Ordenar el conjunto de datos El conjunto de datos ya está ordenado: 1, 1, 1, 1, 1, 3, 3, 4, 4, 6. ## Paso 2: Encontrar la mediana (Q2) El número de datos…
-
27. what does criteria mean? a. standard of judgment for comparing and …
- 27. d. Standard of judgement for evaluating and comparing - 28. a. A reaction to your actions - 29. a. Natural resources; b. Human resources; c. Capital resources - 30. d. All t…
-
the graphs shape is best described as skewed complete which of the foll…
The mean is greater than the median.
-
the graphs shape is best described as symmetric skewed peaks and valley…
skewed
-
which of the following statements is true about a graph that is skewed,…
The mean is greater than the median.
-
birthdays a year has 365 days, excluding leap years. use 365 days in a …
$0.0301$
-
which of the following statements is true about a graph that is perfect…
The mean is equal to the median.
-
birthdays a year has 365 days, excluding leap years. use 365 days in a …
$0.0822$
-
passing grade for this test is 70% 1. the texas \move over\ law deals w…
1. c) What to do when an emergency vehicle is on the side of the road 2. c) Both A & B 3. a) Lightly touch the brake 4. c) Dangerous 5. a) Slam on the brakes
-
you have 2 coins: one penny and one nickel. consider the probability of…
$0.75$
-
multiple choice question when an hr department shows ____, it means tha…
effectiveness
-
you have 2 coins: one penny and one nickel. consider the probability of…
0.25
-
with the sudden switch to online instruction during the covid - 19 cris…
$0.107$
-
part 1 of 2 solve the equation 5 + 5g + 5 = 1 + 4g + 13. a. find the va…
\(g=-\frac{8}{9}\)
-
2. why is the economy a social institution?
The economy is a social institution because it is a socially organized system for the production, distribution, and consumption of goods and services, influenced by and influencin…
-
gina is taking inventory at the hardware store where she works. she cou…
# Explicación: ## Paso 1: Encontrar el valor máximo El valor máximo de tornillos es 89. ## Paso 2: Encontrar el valor mínimo El valor mínimo de tornillos es 75. ## Paso 3: Calcula…
-
the median is calculated by putting the data in order and selecting the…
7
-
the median is calculated by putting the data in order and selecting the…
$4$
-
students were asked how many pairs of shoes they owned. their responses…
3
-
the is calculated by putting the data in order and selecting the middle…
1. Median 2. Mode 3. Range 4. Mean
-
directions: for the following questions, choose the best answer or resp…
1. B. Momofuku Ando kept trying until he got his ramen recipe right, and kept inventing for his entire life. 2. B. changed. 3. D. Ando's visit to the United States 4. B. "It fille…
-
license driving test what does this road sign mean? t - intersection mu…
C. Look Both Ways
-
none of the old dreams had been abandoned. the republic of the animals …
D. The reader knows that there is a difference between what is expected and what occurs.
-
perry has the following data: 415 t 418 410 412 418 411. if the median …
# Explicación: ## Paso 1: Ordenar los datos conocidos Ordenamos los datos 410, 411, 412, 415, 418, 418. Hay 7 valores en total (un número impar). El valor central (mediana) será e…
-
ezra has the following data: 882 888 888 887 m 886 887 888 888 888 888.…
# Explicación: ## Paso 1: Calcular la suma de los números dados Sumando los números conocidos: $882 + 888+888 + 887+886 + 887+888+888+888+888=882 + 888\times6+887\times2 + 886=882…
-
squealer called the animals together and told them that he had a terrib…
C. Squealer uses verbal irony because he does not mean that Napoleon is really dying.