Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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3) which one means \average\? mean median mode range 4) which one means…
3. Mean 4. Range
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1) which one means \the middle number\ in a set? mean median mode range…
1. Median 2. Mode
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rob is investigating the effects of font size on the number of words th…
\(y=-26x + 723\)
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3. if heights of 3rd graders follow a normal distribution with a μ of 5…
3. b) - 2 4. c) - 1.43 5. c) 220
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1. a patient recently diagnosed with alzheimers disease takes a cogniti…
1. a) - 1.4 2. c) - 0.5
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a company makes and sells skateboards. each skateboard is sold for $170…
- **Break - even point**: The break - even point is \(23\) skateboards. We set the revenue function \(R(x)=170x\) equal to the cost function \(C(x)=45x + 2875\) and solved for \(x…
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10. what is the meaning of the prefix epi-? beyond above below around
Above
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basic driver - auto(d) question #12 / 50 implied consent law means when…
D. you have agreed to take a breath test following an arrest for a suspected drinking and driving offense
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example the medical rehabilitation education foundation reports that th…
Yes, it can be concluded that the average cost of stroke rehabilitation at the particular hospital is different from $\$24,672$.
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directions: simplify each of the expressions below. according to the co…
1) \(5\) 2) \(5\) 3) \(0\) 4) \(14\) 5) \(17\) 6) \(10\) 7) \(2\) 8) \(7\) 9) \(0\) 10) \(23\) 11) \(14\) 12) \(20\) 13) \(12\) 14) \(10\) 15) \(3\)
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review use the table to make a scatter plot of the number of hours part…
1. For (clubs, apps + TV): As the number of hours participating in clubs increases, the number of hours (apps + TV) does not show a trend. Thus, there is no correlation. 2. For (s…
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simplifying expressions with directions: simplify each of the expressio…
1) \(2\) 2) \(14\) 3) \(1\) 4) \(23\) 5) \(13\) 6) \(0\) 7) \(18\) 8) \(17\) 9) \(31\) 10) \(20\) 11) \(0\) 12) \(12\) 13) \(1\) 14) \(10\) 15) \(6\)
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1.3 proportional graphs for 1 and 2, use the graph shown to the right. …
1. \(k = 12\) 2. In this situation, the constant of proportionality \(k = 12\) means that for every 1 unit increase in the independent variable (let's assume it's time in hours, f…
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read the sentences below, filling in the blanks with items from this li…
1. context 2. data 3. evidence 4. comparison matrix 5. synthesizing 6. transitions 7. attribution
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select all that apply when maria wanted to help her audience understand…
She personalized her ideas, She related the subject directly to the audience, She tried to avoid overestimating audience knowledge.
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multiple choice question what is the best way to personalize a subject?…
explain it with the help of a human example
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8. when is historical data most effective? a. to predict trends b. to p…
8. c. To show change 9. d. Statistics 10. b. Add authority 11. d. Expert views
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read the sentences below, filling in the blanks with items from this li…
1. text structure 2. chronological order 3. cause and effect 4. problem and solution 5. compare and contrast 6. descriptive 7. purpose
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read the story. on saturday, zoe is playing in the royal arena chess to…
Roll a six - sided die 8 times. Each time an even number appears, it represents Zoe winning a match.
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read the story. chad planted 8 sunflowers along the edge of his garden.…
\(50\%\)
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chad planted 8 sunflowers along the edge of his garden. the seed packet…
Use a computer to randomly generate 8 numbers from 1 to 10. If the number is at most 8, it represents a sunflower that is six feet tall.
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read the story. devonports daffodil festival holds an egg hunt every ye…
\(46\%\)
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devonports daffodil festival holds an egg hunt every year. the organize…
The first simulation (Use a computer to randomly generate 12 numbers from 1 to 20. Each time 1 appears, it represents a golden ticket) is the correct one.
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read the story. next week, wendy is going on a 4 - day ski trip to moun…
13
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10. the average sat math score and average sat reading score for 15 mar…
The linear regression model is \(y = 1.07x-48.75\) (where \(x\) is average Math SAT score and \(y\) is average Reading SAT score). A linear model is a good fit as correlation coef…
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read the story. emily is playing a ring toss game at granburys spring c…
\(19\%\)
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read the story. the teeny greens miniature golf course is holding a con…
\(1\%\)
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read the story. the teeny greens miniature golf course is holding a con…
Use a computer to randomly generate 9 numbers from 1 to 20. Each time a 1 appears, it represents a hole - in - one.
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read the story. zack planted an assortment of tulip bulbs in his garden…
\(11\)
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read the story. zack planted an assortment of tulip bulbs in his garden…
Flip a coin 3 times. Each time the coin lands on heads, it represents a pink tulip.
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read the story. felipes lacrosse team will play in the hickory hills to…
3%
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read the story. felipes lacrosse team will play in the hickory hills to…
Flip a coin 6 times. Each time the coin lands on tails, it represents Felipe's lacrosse team winning a game.
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question 16 (0.794 points) which is true of the indian ocean slave trad…
- Question 16: Muslims dominated it - Question 17: All of the other answers are correct - Question 18: False
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5. the mean weight of boys ages 2 - 12 is displayed in the table. the l…
The predicted mean weight of boys age \(5\) is \(42.085\) lbs. The residual value is \(-2.085\). Since the residual \(e=-2.085<0\) (actual value \(40\) is less than the predicted …
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write a system of equations to describe the situation below, solve usin…
Peter and Arianna each bought \(16\) boxes of business cards, spending \(\$212\).
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use the model to predict the mean weight of boys age 5. the actual mean…
The residual value is \(-2\). Since the residual is negative (\(r=-2<0\)), the predicted value (\(42\)) overestimates the actual value (\(40\)).
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5. the mean weight of boys ages 2 - 12 is displayed in the table. the l…
The predicted mean weight is \(42.085\) lbs. The residual value is \(-2.085\). Since the residual is negative (\(e=-2.085<0\)), the model over - estimates the mean weight. A negat…
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2. write an equation in point - slope form to represent the table. then…
The equation in point - slope form is \(y-15 = 4(x - 3)\). The slope of 4 means that the number of apples picked increases by 4 for each additional minute of time.
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1. solve the equation. 4(2x + 3) = 2x - 4 2. write an equation in point…
The predicted mean weight of 5 - year - old boys is \(42.085\) lbs. The residual value is \(-2.085\). Since the residual \(e=-2.085<0\), the regression model overestimates the mea…
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match each definition with the correct spelling word. ____ (1) vacate (…
1. (1) - (D) 2. (2) - (E) 3. (3) - (G) 4. (4) - (B) 5. (5) - (A) 6. (6) - (F) 7. (7) - (C) 8. (8) - (I) 9. (9) - (K) 10. (10) - (N) 11. (11) - (O) 12. (12) - (P) 13. (13) - (H) 14…
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read the passage from sugar changed the world. no one interviewed the a…
“They were not just labor, not just bodies born to work and die.”
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read the story. windy hills is in for a snowy month! meteorologists are…
40
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read the story. windy hills is in for a snowy month! meteorologists are…
Use a computer to randomly generate a pair of numbers from 1 to 4. Each time 1, 2, or 3 appears, it represents a snow day.
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read the story. natalie is a potter who makes her own ceramic pieces. 1…
53%
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read the story. natalie is a potter who makes her own ceramic pieces. 1…
Use a computer to randomly generate 6 numbers from 1 to 20. Each time 1 or 2 appears, it represents a broken vase.
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checkup match each definition with the correct spelling word. (32) glor…
(32) D, (33) E, (34) B, (35) J, (36) H, (37) G, (38) C, (39) A, (40) F, (41) I, (42) L, (43) K, (44) P, (45) R, (46) N, (47) S, (48) O, (49) M, (50) Q
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read the story. fred collects bantam monster toys. the toys are sold in…
\(45\)
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read the story. fred collects bantam monster toys. the toys are sold in…
Use a computer to randomly generate a pair of numbers from 1 to 4. Each time 4 appears, it represents a green monster toy.
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question 3 of 10 what is meant by the phrase \the graying of america\? …
D. Life expectancy has increased in the United States
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match each definition with the correct spelling word. (1) amusement (a)…
(1) C, (2) I, (3) H, (4) A, (5) F, (6) J, (7) D, (8) G, (9) B, (10) E, (11) Q, (12) O, (13) L, (14) M, (15) R, (16) K, (17) P, (18) S, (19) N
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question 5 of 10 which statement reflects the social - conflict approac…
A. Gender roles can result in unequal distribution of power.
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camila is going to drive from her house to city a without stopping. let…
The equation for \(D\) is \(D=-35t + 280\). The slope of the graph is \(-35\), which means that Camila's distance from City A decreases by 35 miles per hour.
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a six - sided die is rolled 120 times. fill in the expected frequency c…
C. 11.070
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a six - sided die is rolled 120 times. fill in the expected frequency c…
a. 13.6
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a six - sided die is rolled 120 times. fill in the expected frequency c…
b. FALSE
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a six - sided die is rolled 120 times. fill in the expected frequency c…
A. 20
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lesson 2 summary there are slightly more than 3,000 county governments …
1. Legislative and executive powers. 2. A subdivision of a county and a unit of government in 20 states.
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what does the constant of proportionality of 100 mean? the constant of …
The constant of proportionality of 100 means that there are 100 centimeters for every meter.
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the line graph shown to the right shows the attendance at each champion…
The year with the least attendance is 2003. The approximate attendance was 67,000.
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government agencies keep data about the income distribution of the popu…
(a) About \( 68\% \) of the families in their county earn more than the Allen family. (b) The Stewart family earns more than the Allen family.
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a national chain of department stores ranks its 1,250,000 salespeople b…
(a) About \(72\%\) of the salespeople had sales lower in value than Justin. (b) Both Justin and Susan had sales higher and lower in value than the median respectively.
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what does the constant of proportionality of 100 mean? the constant of …
There are 100 centimeters for every meter.
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read the excerpt from act 5, scene 2, of julius caesar. brutus: ride, r…
The tone would be less urgent as the enemy moves more slowly.
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8. debbies house is 8 miles from sues house. sue has ridden 5 miles tow…
\(2\)
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mesopotamian government in the early day of mesopotamia, the free citiz…
1. The early Mesopotamians first made decisions by having free citizens meet, discuss, and make decisions for themselves in a democratic assembly. 2. The early form of government …
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what is the definition of tone? o the attitude of a text toward the sub…
the attitude of a text toward the subject and theme
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read the excerpt from act 5, scene 1, of julius caesar octavius. now, a…
confident
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researchers recorded data on pet ownership for randomly selected househ…
\(0.37\)
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read the passage from act 1 of the play krogstad: i promised to get you…
It causes the audience to become anxious about what Krogsstad intends to do with the evidence he presents to Nora.
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researchers recorded data on pet ownership for randomly selected househ…
\(0.40\)
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researchers recorded data on pet ownership for randomly selected househ…
\(0.5000\)
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suppose you roll two fair, 6 - sided dice - one red and one blue. are t…
\(P(\text{sum is }7|\text{blue die is }4)=\frac{1}{6}\), \(P(\text{sum is }7|\text{blue die is not }4)=\frac{1}{6}\). The probabilities are equal, so the events “blue die shows a …
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read the excerpt from act 5, scene 1, of julius caesar octavius. come, …
It emphasizes the savagery of the assassins' actions toward Caesar.
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describe the association for the graph. linear and positive linear and …
Non - Linear and Negative
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the police department tracked the number of ticket writers and number o…
More ticket writers results in more tickets issued.
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which statement best describes the relationship shown in this scatter p…
A student's shoe size has no effect on their math score.
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what type of correlation does this graph have? none negative positive a…
A. none
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describe the association for the graph. non - linear and negative non -…
Linear and Positive
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31. marital status of women according to the statistical abstract of th…
a. The probability that none has ever been married is approximately \(0.171\) b. The probability that at least 1 has been married is approximately \(0.829\)
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what is the correlation between length of running start and distance of…
Orange: positive: the further you run the further you jump
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36. customer purchases in a department store there are 120 customers, 9…
The probability that all 5 customers will buy at least 1 item is approximately \(0.029\)
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describe the association for the graph. non - linear and positive linea…
Non - Linear and Negative
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30. gift baskets the gift basket store had the following premade gift b…
a. \(\frac{5}{7}\) b. \(\frac{10}{23}\) c. \(\frac{12}{77}\)
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27. college courses at a large university, the probability that a stude…
\(0.2\)
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which scatterplot does not suggest a linear relationship between x and …
The fourth (green) scatter - plot does not suggest a linear relationship between x and y.
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iew: find the speed of the gondola.
The speed of the gondola is \(5.5\) ft/s. The distance at \(t = 1\) s is \(5.5\) ft and at \(t = 2\) s is \(11\) ft.
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12 the scatterplot shows the age of several people and the average amou…
- The data shows that as the age of a person increases, the amount of time they spend texting during the day **decreases**. - A person who is \(20\) years old spends approximately…
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11 the scatterplot shows the number of people living in a house and the…
C. There is no apparent association between the number of people living in a house and the size in square feet of the house.
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the scatterplot shows the lengths of seven television shows travis watc…
C. 43
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9the scatterplot shows the number of boys and the number of girls at a …
D. 93
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based on the scatterplot, what is the best prediction of the resting he…
C. 55 beats per minute
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while odysseus spoke an old hound, lying near, pricked up his ears and …
Argus symbolizes loyalty. The detail “but when he knew he heard Odysseus' voice nearby, he did his best to wag his tail” shows Argus’s symbolic meaning.
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the table below summarizes the 225 members of a voluntary society by th…
\(28.8\)
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match each symbol on the left with its figurative meaning on the right.…
a flying dove - peace and love broken chains - freedom and independence a white flag - surrender and humility a red heart - love and compassion
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a summer camp builds 4 new obstacle courses. for the first week, the ca…
Course A, Course C, Course B, Course D
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read the excerpt from act 3, scene 1, of julius caesar. caesar. i must …
Caesar will not reverse the exile of Cimber's brother in response to begging and flattery.
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read the excerpt from act 3, scene 1, of julius caesar. antony: o might…
- “O mighty Caesar! Dost thou lie so low? / Are all thy conquests, glories, triumphs, spoils, / Shrunk to this little measure?” - “If I myself, there is no hour so fit / As Caesar…
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a persons hat slar is based on the distance around the persons head. th…
The store should stock medium and large hats in the greatest number.
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the __________________ is a sung piece meant to sound like speech - lik…
B. Recitative
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how does the dot plot show the distribution of sunflower heights?
The dot - plot shows the distribution of sunflower heights by using dots to represent each data point. The position of the dots on the number line (height in inches) shows the ind…