Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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what is a residual? what does it mean when a residual is positive? choo…
A. A residual is the difference between an observed value of the response variable \(y\) and the predicted value of \(y\). If it is positive, then the observed value is greater th…
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what two types of graphs are most common when the categories are qualit…
B. In a pie chart, each category corresponds to a wedge of a circle. The size of each wedge is proportional to the relative frequency of the category it represents. C. In a bar gr…
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what is the meaning of the word ancient as used below? use the synonym …
of great age
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at a bakery, a batch of dough can make a number of bagels. use the grap…
3
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what is the meaning of the word shove as used below? use the synonym to…
press against
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keiko is planning to rent a hotel conference room for an event. the fun…
\( R(4) = 100 \) means that the cost to rent the room for 4 hours is 100 dollars.
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what is the meaning of the word soar as used below? use the synonym to …
move through air
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keiko is planning to rent a hotel conference room for an event. the fun…
(a) \(R(4)=100\) (b) The answer to part (a) means the cost is \(\$100\) to rent the room for \(4\) hours.
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a security alarm requires a four - digit code. the code can use the dig…
\(\frac{(_{2}P_{1})(_{9}P_{3})}{_{10}P_{4}}\) (the first option)
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luka has a bag containing 5 socks: 3 red, 1 white, and 1 black. he draw…
\(\frac{3}{25}\) (the fourth option)
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the cable company is analyzing the data from two satellite television p…
59%
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will surveyed students at his school about whether they have ever gone …
The third two - way table (the one with "Skateboard" row having \(35\) (Have Snowboarded), \(64\) (Never Snowboarded), \(99\) (Total); "No Skateboard" row having \(13\) (Have Snow…
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what is the meaning of the word weary as used below? use the synonym to…
sleepy
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in a standard deck of cards there are 13 spades, 13 clubs, 13 hearts, a…
\(\frac{1}{8}\)
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find p(c|y) from the information in the table. to the nearest tenth, wh…
0.5
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a spinner is divided into eight equal - sized sections, numbered from 1…
\(S = \{1,2,3,4,5,6,7,8\}\), If \(A\) is a subset of \(S\), \(A\) could be \(\{1,2,3\}\), If a subset \(A\) represents the complement of spinning an odd number, then \(A=\{2,4,6,8…
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what is the meaning of the word whined as used below? use the synonym t…
grumbled or cried
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james surveyed people at school and asked whether they bring their lunc…
\(P(\text{male}|\text{buys lunch}) = 0.4\) and \(P(\text{male}) = 0.3\)
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a random number generator is used to create a list of 300 single - digi…
C. 0.44
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a manager records the number of hours, x, each employee works on his or…
\(2\)
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for the following data set, (a) draw a scatter diagram, (b) compute the…
\(r\approx0.972\)
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a bag contains five red marbles, two orange marbles, one yellow marble,…
0.08889
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select the text from the paragraph that best helps you understand that …
"then it is probably good to eat"
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read the passage and then answer the question. your nose plays an impor…
pleasant or sweet - smelling
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select the text from the paragraph that best helps you understand that …
so large
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read the passage and then answer the question. the five great lakes are…
A. big
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a six - sided number cube is rolled twice. which expression can be used…
\(\frac{1}{6}\cdot\frac{1}{6}\) (the fourth option)
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select the text from the paragraph that best helps you understand that …
One way we can see this is by looking at Major League Baseball data. Today's baseball players are about three inches taller than players were a hundred years ago.
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dependent events can best be described as two or more events that have …
a group of events whose later outcomes are affected by previous outcomes.
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on average, people today are taller than people who lived a hundred yea…
information
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alejandro surveyed his classmates to determine who has ever gone surfin…
A and B are independent events because \(P(A|B)=P(A) = 0.75\).
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select the text from the paragraph that best helps you understand that …
"He worked hard to hold the country together during the Civil War."
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pedro has determined that the probability his shot will score in a lacr…
0.09
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read the passage and then answer the question. abraham lincoln was pres…
serious
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use the venn diagram to calculate probabilities. which probabilities ar…
\(P(A|C)=\frac{2}{3}\), \(P(A)=\frac{31}{59}\)
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select the text from the paragraph that best helps you understand that …
However, it is usually not considered aerobic exercise because it doesn't raise your heart rate enough.
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read the passage and then answer the question. during aerobic exercise,…
slow, relaxed
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select the text from the paragraph that best helps you understand that …
between those steep rock walls
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determine whether the scatter diagram indicates that a linear relation …
A. The data points do not have a linear relationship because they do not lie mainly in a straight line.
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christina is randomly choosing three movies to take on vacation from ni…
The probability that Christina will not choose all action movies can be expressed as \(1-\frac{_{9}C_{3}}{_{20}C_{3}}\), so the correct option is the fourth one.
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read the passage and then answer the question. the niagara river drops …
a narrow opening between cliffs
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which statement is true about whether z and b are independent events? z…
Z and B are independent events because \(P(Z|B)=P(Z)\).
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select the text from the paragraph that best helps you understand that …
Pour water over them and stir so that nothing nearby can catch on fire.
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bart found 20 quadrilaterals in his classroom. he made a venn diagram u…
25%
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read the passage and then answer the question. on a camping trip, it ca…
small pieces of burning wood
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select the text from the paragraph that best helps you understand that …
spend many long hours working
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read the passage and then answer the question. football players and coa…
B. difficult
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consider a single spin of the spinner. which events are mutually exclus…
landing on a shaded portion and landing on a 3, landing on an unshaded portion and landing on a number less than 2
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select the text from the paragraph that best helps you understand that …
She put on men's clothing and signed up for the army. For about two years, she kept her secret, pretending to be a man.
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four seniors and six juniors are competing for four places on a quiz bo…
0.00476
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probability distribution below. what is the probability that a worker c…
0.96
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read the passage and then answer the question. in 1798, the americans w…
the act of tricking people
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eight identical slips of paper, each containing one number from one to …
\(A = \{1,2,3,4,5,7,8\}\) (the third option)
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the federalists the group of men who wanted to ratify the constitution …
- First question: A. Speaker 1 - Second question: G. A strong federal government will be more stable than a loose confederation of states
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select the text from the paragraph that best helps you understand that …
So he agreed to a test to prove his act was real.
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read the passage and then answer the question. harry houdini was famous…
B. fake
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information about how the students at vista view high school got to sch…
\(111\)
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select the text from the paragraph that best helps you understand that …
whole grain and low in fat
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read the passage and then answer the question. popcorn is a wholesome s…
healthy
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what does it mean to say that two variables are positively associated? …
C. There is a linear relationship between the variables, and whenever the value of one variable increases, the value of the other variable increases.
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select the text from the paragraph that best helps you understand that …
They'll start saying back what they hear. They might make sounds that are almost words.
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fill in the blanks so the resulting statement is true. a measure that i…
correlation coefficient, \( r=-1 \), \( r = 1 \)
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read the passage and then answer the question. no other living things t…
talk a lot without making sense
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events x and y are independent. the probability of x occurring is $\\fr…
A. \(\frac{1}{6}\)
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question 45 impromptu means improvised and unpracticed. enthusiastic. m…
improvised and unpracticed.
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four girls and six boys are in a spanish club. three of the people will…
50%
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when all points in a scatter plot fall on the regression line, what is …
If the regression line has a positive slope: a perfect positive correlation. If the regression line has a negative slope: perfect negative correlation.
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giulia is playing a game with 6 cards: 4 kings, 1 queen, and 1 jack. sh…
\(\frac{1}{9}\) (the third option)
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determine which set(s) of two variables have a strong positive correlat…
A. The amount of snow fallen and the number of snow shovels sold show a strong positive correlation because people tend to buy more snow shovels when it is snowier. C. Hours spent…
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the spinner is equally likely to land on any of the five sections. what…
\(\frac{3}{5}\) (the third option)
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a three - digit personal identification number is chosen using the digi…
\(0.11111\) (the third option)
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the word debate means \talk or share different ideas about.\ where woul…
at a movie theater during a movie
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select the correct choices that complete the sentence below in a scatte…
First blank: explanatory, Second blank: response
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a librarian has 10 nonfiction and eight fiction books from which to cho…
0.114
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look at the word debated in the passage below. the friends debated what…
talk or share different ideas about
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nico owns 11 instructional piano books. two are beginner books, six are…
\(\frac{6}{121}\) (the second option)
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the word theory means \a guess.\ what does \i have a theory\ mean? \i t…
"I think I know, but I'm not sure."
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look at the word theories in the passage below. leonardo da vincis most…
B. a guess
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what does it mean if r = 0? choose the correct answer below. a. no line…
A. No linear relationship exists between the variables
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the word pronunciation means \the way a word is said.\ which word has t…
here
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the weather report states that the probability it will rain on wednesda…
18 percent
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look at the word pronunciation in the passage below. every tuesday, mr.…
the way a word is said
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a number cube has faces numbered 1 to 6. what is true about rolling the…
\(\text{S = \{1, 2, 3, 4, 5, 6\}}\), \(\text{If A is a subset of S, A could be \{5, 6\}}\), \(\text{If a subset A represents the complement of rolling a 5, then A=\{1, 2, 3, 4, 6\…
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the word admit means \say something that you dont want to.\ what might …
that she failed a test
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which best describes independent events? the results of all events have…
The results of all previous events do not affect the probability of future events.
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look at the word admitted in the passage below. \well start with readin…
say something you don't want to
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the results are shown below: consider the following events: a. the orde…
None of the above
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question 33 the literal, dictionary definition of a word is its alliter…
C. denotative meaning.
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which statement about the scatterplot is true? in general, the number o…
As the number of hours spent working increases, the amount of time spent on video games decreases.
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(a) identify the shape of the distribution, and (b) determine the five …
a. C. The distribution is roughly symmetric. b. \(4,8,10,14,18\)
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a scatterplot is produced to compare the size of a school building to t…
There is no relationship between the size of a school building and the number of students who play an instrument because the scatterplot does not have a cluster.
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number of apples vs. pounds of apples pounds of apples increases decrea…
increases
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select the correct choice that completes the sentence below (this is a …
left of center
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which data value would cause the interpretation of the data set to be u…
\((90, 2)\)
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time (hours) distance traveled (miles) it confirms his hypothesis becau…
It invalidates his hypothesis because it is possible for the distance that is traveled during a trip to depend on the time that is spent traveling.
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speech humor should always match the audience, topic, purpose, and occa…
occasion.
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which statement is correct when a scatterplot is constructed? the indep…
The independent variable is the input variable and should be represented by the \(x\) - axis.
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based on the data collected, if the store has been open 7 hours, which …
After 7 hours, 175 customers had been in the store.
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when a trend line is drawn on a scatterplot, there are 4 points above t…
4
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what is the name of the type of data that a scatterplot is used to anal…
bivariate data