Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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the gas mileage of an automobile first increases and then decreases as …
$z_{x - y(20,21)}\approx1.8557$ $z_{x - y(30,26)} = 0$ $z_{x - y(40,29)}\approx - 0.3712$ $z_{x - y(50,30)} = 0$ $z_{x - y(60,29)}\approx0.3712$ $z_{x - y(70,26)} = 0$ $z_{x - y(8…
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read this sentence: shelby flittered around the room chatting with old …
A. Lighthearted and cheerful
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in because i could not stop for death, what is the significance of the …
The phrase characterizes Death as being removed from human concerns.
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when emerson states, it by no means follows that we are not fit for soc…
He tries to show that people behave differently at parties than they might elsewhere, and so parties are not a measure of human worth.
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question 7 faster production of certain goods in a factory meant that t…
D. were lowered
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prework 2.1 - describing location in a... / miley melendy - 2.1 describ…
1. The percentile for Ohio is the 74th percentile. This means 74% of the states have 15 or fewer representatives. 2. South Carolina has 8 representatives. 3. The standardized scor…
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15- before the happy prince died, he lived in the palace of sans souci …
15. b- No worries 16. a- Allusion 17. b- Refrain 18. d- The Swallow 19. c- Stereotyping 20. a- Paradox 21. c- Mythological allusion
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question 14 (come back) to check answer which phrase helps the reader u…
"the problem would vanish" (paragraph 2)
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date : identify the meaning of these words using the prefix of each wor…
Rewrite - to write again Dislike - not like Redo - to do again Impossible - not possible Irresponsible - not responsible
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michael uses his apple watch to keep track of his distance and the numb…
For every one - mile increase in the distance Michael runs, the number of calories he burns increases by 160.
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date : ____________ identify the meaning of these words using the prefi…
Unhappy - no feliz Rewrite - escribir de nuevo Dislike - no gustar Incorrect - no correcto Redo - hacer de nuevo Impossible - no posible Irresponsible - no responsable
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6. across the united states, there are approximately 45,000 flights eac…
We need to use the information about the number of flights at different - time points and the model to calculate the total number of flights. First, we know that at 5 AM ($n = 5$)…
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8. an oil company conducts a geological study that indicates that an ex…
Mean: $15$, Variance: $60$
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read the sentence. mark twain is a pseudonym for the writers legal name…
C. fake name
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in because i could not stop for death, what is the significance of the …
The phrase characterizes Death as being removed from human concerns.
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read the sentence. having fallen out of the nest, the bird was insensib…
the prefix in-, the root sens, and the suffix -ible.
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review the paragraph from the code book. ordinarily, if alice wants to …
B. conversely
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read the sentence. the newspaper my dad reads each day is a credible so…
The newspaper my dad reads is a worthy source of information.
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read the sentence. as the boy grew to be a teenager, he became more def…
The boy began to disobey his mother.
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how is a root word used to understand a text? it reveals the style of t…
It provides the foundation for a word’s meaning.
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5. robert pays for his family to go to the arcade. he pays an entrance …
- Pendiente: $m =-\frac{1}{2}$, significa que el costo total disminuye en $0.5$ dólares por cada juego adicional. - Intersección con el eje $y$: $b = 12$, representa el costo de e…
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the hourly wages of a sample of 34 employees of a clothing company are …
$8.05$
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c. connect the decision of plessy v. ferguson to the expansion of jim c…
1. segregation; Civil - Rights Movement 2. separate but equal 3. Colored People 4. Initiative; Referendum; Recall 5. senators; people 6. shorter; safety; child 7. 1916; state 8. c…
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multiple - choice question what is the median of this set of data? 16 1…
18
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we will call the upper extreme the maximum and the lower extreme the mi…
32
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multiple - choice question we will call the upper extreme the maximum a…
5
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the institute for policy studies (ips) published research showing that …
a statistic that can be proven true or false
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which of the following verbs belongs to the first plural conjugation to…
Question 4: comprarnos Question 5: No answer can be determined without more context about the meaning and tense required.
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deltamath linear equations w/ distribution (lev 2) score: 1/3 penalty: …
$x = - 2$
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box and whisker plot practice name: ____________ hour: ____________ twe…
First, rewrite data in order: 5.75, 6, 6.5, 6.75, 7, 7.5, 8, 8, 8.25, 8.25, 8.5, 8.75, 9, 9.25, 9.25, 9.5, 10, 10.25, 11, 13.75 Five - Number Summary: Minimum: 5.75 Maximum: 13.75…
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a sample of 265 students was taken from two high schools, alpha high sc…
(1) Alpha High School: 17; Branch High School: 18 (2) Cannot be determined from the box - and - whisker plot (3) Cannot be determined from the box - and - whisker plot (4) More st…
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when playing the game of spikeball, games can be played to a score of _…
For the first question: A. Rally For the second question: D. All of the Above
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5. there are 10 red and 20 blue balls in a box. a ball is chosen at ran…
Expected value: $\frac{10}{3}\approx3.33$, Standard - deviation: $\frac{2\sqrt{5}}{3}\approx1.49$
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box - and - whisker plot make box - and - whisker plots for the given d…
(1) Minimum : 8 Maximum : 39 Q1 : 11 Q2 : 23 Q3 : 32 (2) Minimum : 42 Maximum : 72 Q1 : 46 Q2 : 58 Q3 : 67 (3) Minimum : 62 Maximum : 100 Q1 : 73 Q2 : 80 Q3 : 94
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write the five - number summary for each set of data. 1) 42, 58, 67, 55…
1. Minimum: 40, $Q_1$: 46, $Q_2$: 55, $Q_3$: 66, Maximum: 69 2. Minimum: 1, $Q_1$: 8, $Q_2$: 12.5, $Q_3$: 19, Maximum: 23 3. Minimum: 89, $Q_1$: 93, $Q_2$: 99.5, $Q_3$: 111, Maxim…
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a) the average age of players in major league baseball teams are given …
28.3
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question: which of these contexts describes a situation that is certain…
Reaching into a bag full of 19 strawberry chews and 1 cherry chew without looking and pulling out a strawberry or a cherry chew.
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use the stem - and - leaf plots to answer the questions. minutes of ele…
1. 18 students; 10 students; 33 minutes 2. 14 teachers; 27 fidget spinners; 230 fidget spinners 3. 14 days; 350 tickets; 9 days
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1) the data for the production of number of components at an industry f…
1) | Stem | Leaf | | ---- | ---- | | 1 | 3 5 8 | | 2 | 2 4 6 6 6 | | 3 | 4 8 9 | | 4 | 5 5 5 | | 5 | 1 5 5 6 | Key: 5|5 = 55 2) | Stem | Leaf | | ---- | ---- | | 28 | 1 5 7 8 | | …
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in a popular online role - playing game, players can create detailed de…
\(\frac{7}{166}\)
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question: jacob owns a small business selling bagels. he knows that in …
\(0.22\)
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seventh grade students instrument # of students guitar bass drums keybo…
\(\frac{29}{45}\)
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heights of 5th graders (in.) stems leaves 4 6 8 8 5 0 5 6 6 7 8 8 9 9 9…
How many students are at least 58 in. tall? 14 How many students are less than 58 in. tall? 8 List the heights of the students: 46, 48, 48, 50, 55, 56, 56, 57, 58, 58, 59, 59, 59,…
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math test scores stems leaves 6 5 8 7 0 1 1 4 7 8 5 5 7 8 9 9 9 9 2 4 5…
Math Test Scores: Maximum: 100 Minimum: 65 Range: 35 Mode: 89, 98 Median: 88 Mean: 86.5 Pieces of Candy: Maximum: 41 Minimum: 8 Range: 33 Mode: 28 Median: 25.5 Mean: 19.91
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an apartment complex offers apartments with four different options, des…
$\frac{1}{72}$
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you are dealt one card from a 52 - card deck. find the probability that…
$\frac{11}{26}$
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a hand consists of 4 cards from a well - shuffled deck of 52 cards. a. …
a. 270725 b. 14950 c. 0.055222
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a mathematics teacher wanted to see the correlation between test scores…
The linear regression equation is $y = 1.09x-14.14$. The estimated homework grade for a student with a test grade of 44 is 53.
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the table shows the educational attainment of a population, expressed i…
The odds in favor: \(\frac{46}{139}\) The odds against: \(\frac{139}{46}\)
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the table shows the educational attainment of the population of a count…
\(\frac{104}{179}\)
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julien is solving x² - 4 = 0. he finds that the roots of the quadratic …
Yes, because the roots \(x = \pm2\) are the x - intercepts of the graph of the parabola \(y=x^{2}-4\), which means the graph crosses the x - axis at \(x = 2\) and \(x=-2\).
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in 7 - card poker, played with a standard 52 - card deck, $_{52}c_{7}$,…
$0.999987$
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write and solve an original problem involving probability and combinati…
B. A bag contains 12 black marbles and 9 white marbles. What is the probability that 9 black marbles are chosen at random?; $\frac{22}{29393}$
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the venn - diagram below shows the 11 students in ms. murphys class. th…
\(P(A)=\frac{6}{11}\) \(P(B)=\frac{5}{11}\) \(P(A\ and\ B)=\frac{3}{11}\) \(P(B|A)=\frac{1}{2}\) \(P(A)\cdot P(B|A)=\frac{3}{11}\)
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based on the two data sets represented below, complete the following se…
The mean of Data Set X is greater than the mean of Data Set Y. The median of Data Set X is greater than the median of Data Set Y.
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a single die is rolled twice. find the probability of rolling an odd nu…
\(\frac{5}{18}\)
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based on the two data sets represented below, complete the following se…
The median of Data Set D is greater than the median of Data Set E. The minimum of Data Set D is greater than the minimum of Data Set E.
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the venn diagram below shows the 14 students in ms. harriss class. the …
\(P(A)=\frac{4}{7}\) \(P(B)=\frac{9}{14}\) \(P(A\text{ and }B)=\frac{1}{7}\) \(P(A|B)=\frac{2}{9}\) \(P(B)\cdot P(A|B)=\frac{1}{7}\)
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based on the two data sets represented below, complete the following se…
The median of Data Set E is less than the median of Data Set F. The interquartile range (IQR) of Data Set E is equal to the interquartile range (IQR) of Data Set F.
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the numbered disks shown are placed in a box and one disk is selected a…
$\frac{3}{7}$
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(round to three decimal places as needed.) show that if 23 people are s…
The probability that none of the 23 people share a birthday is approximately $0.493$. The probability that at least 2 of 23 people have the same birthday is approximately $0.507$.…
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the venn - diagram below shows the 17 students in ms. daviss class. the…
$P(A)=\frac{8}{17}$ $P(B)=\frac{7}{17}$ $P(A\text{ and }B)=\frac{1}{17}$ $P(B|A)=\frac{1}{8}$ $P(A)\cdot P(B|A)=\frac{1}{17}$
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the students in a class collected data on the number of minutes some of…
2
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a teacher put all her students quiz scores up on the dot plot below. qu…
60
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this exercise is on probabilities and confidence intervals. a. if two p…
a. The first person can have a birthday on 365 of the 365 days. In order for the second person to not have the same birthday they must have one of the 364 remaining birthdays. b. …
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use graph b to answer the following questions. 1. plot the points from …
1. Points should be plotted on the graph as per the (x,y) pairs in the table. 2. Nonlinear, Negative Association 3. Yes, the outlier is at (16,20) 4. No
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the table shows the outcome of car accidents in a certain state for a r…
The probability as a decimal is 0.795 The probability as a fraction is $\frac{2019}{2538}$
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next, calculate the product of the standardized values of each variable…
$z_{x_1}z_{y_1}=-0.23$, $z_{x_2}z_{y_2}=-0.13$, $r=-0.97$
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find the median and mean of the data set below: 26, 1, 30, 13 answer at…
Median = $19.5$ Mean = $17.5$
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a game of scrabble has 100 tiles, as shown to the right. the number of …
$\frac{4}{24255}$
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find the median and mean of the data set below: 43, 49, 6, 5, 9 answer …
Median = 9 Mean = 22.4
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find the median and mean of the data set below: 48,42,30,10,5 answer at…
Median = 30 Mean = 27
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find the correlation r step - by - step. let x denote the sea surface t…
\(\bar{x}=0.86\) degrees, \(\bar{y}\approx26.47\) cm, \(s_{x}\approx0.044\) degrees, \(s_{y}\approx0.23\) cm
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in a class of 60 students, 30 are democrats, 14 are business majors, an…
a. $\frac{11}{30}$ b. $\frac{2}{5}$
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some beans are selected from a large jar containing equal amounts of wh…
\(P(A|B)=\frac{1}{3}\), \(\frac{P(A\cap B)}{P(B)}=\frac{1}{3}\)
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find the median and mean of the data set below: 23, 35, 47, 22, 32, 46,…
Median = 35 Mean = 36
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find the median and mean of the data set below: 22, 9, 3, 24, 21 answer…
Median = 21 Mean = 15.8
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suppose the odds in favor of a person who is alive at age 20 still bein…
$\frac{198}{469}$
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in a lottery, the top - cash prize was $621 million, going to three luc…
$\frac{104}{7371675}$
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the venn diagram below shows the 17 students in ms. daviss class. the d…
$P(A)=\frac{8}{17}$ $P(B)=\frac{7}{17}$ $P(A\ and\ B)=\frac{2}{17}$ $P(B|A)=\frac{1}{4}$ $P(A)\cdot P(B|A)=\frac{2}{17}$
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ten employees took a cpr test. the results are displayed below in a his…
C. 57, 62, 63, 65, 66, 71, 72, 73, 77, 79, 79, 81, 81, 83, 85, 89, 91, 94
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which text best completes the sentence? visitor statistics indicate tha…
B. a more popular tourist destination than Yosemite National Park
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12. which of the following questions is not considered statistical? a. …
C. How long do you own a pair of shoes?
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plot the data in the tables below to create scatterplots. then answer t…
1. Points are plotted on the graph as per the table values. 2. Linear, Negative Association 3. No 4. Yes, because the scatter - plot shows a linear and negative association, and b…
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the diagram below shows the memberships for the chess club and the scie…
\(P(A)=\frac{7}{13}\), \(P(B)=\frac{8}{13}\), \(P(A\cap B)=\frac{4}{13}\), \(P(A|B)=\frac{1}{2}\), \(P(B)\cdot P(A|B)=\frac{4}{13}\)
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the venn - diagram below shows the 11 students in ms. daviss class. the…
\(P(A)=\frac{4}{11}\) \(P(B)=\frac{6}{11}\) \(P(A\cap B)=\frac{1}{11}\) \(P(B|A)=\frac{1}{4}\) \(P(A)\cdot P(B|A)=\frac{1}{11}\)
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15. the box plot below shows the number of siblings each student in mrs…
D. Over half of the students in Mrs. Hines' class have two or more siblings.
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6. which of the statements about the data in the histogram is true? 201…
D. A total of 18 teams made 26 or more field goals.
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complete the text with the best conjunctive adverb. on the hubble space…
As a result
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complete the text with the best conjunctive adverb. on d - day, june 6,…
Indeed
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which of the following statements is the best description for the data …
C. The range of the data is 13.
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what does the word improbable mean in this sentence? our teacher though…
A. doubtful
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complete the text with the better conjunctive adverb. the united states…
As a result
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instructions: complete the chart by dragging and dropping the correct m…
| Term | Form | Meaning | |--|--|--| | first person | noun | the point of view in which the narrator is a character in the story and uses the pronoun I | | second person | noun | …
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ideals of the declaration - gra directions: read the posted text, then …
2. Preamble, List of Grievances, Declaration of Natural Rights, Resolution of Independence. 3. It states natural rights and government - by - consent principles. 4. Rights that ca…
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7. the data set below represents the different costs of monthly interne…
a. $55$ b. $\approx9.67$
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in 5 - card poker, played with a standard 52 - card deck, $_{52}c_{5}$,…
$0.996244$
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in a class of 46 students, 22 are democrats, 18 are business majors, an…
a. $\frac{19}{46}$ b. $\frac{9}{46}$
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5. based on the box plot below, which statement is not true? age of ser…
A. The oldest team member is 24.
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the birthmark is often read as an allegory (a story in which the conten…
He represents the dangers of viewing science - and scientists - as all - powerful.