Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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6 the data set 20, 36, 52, 56, 24, 16, 40, 4, 28 represents the number …
El diagrama de caja se construye siguiendo los pasos anteriores en la línea numérica dada.
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read the paragraph. dr. martin luther king jr. wrote great speeches. he…
B. created powerful speeches C. crafted meaningful speeches
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for 2021 it is estimated that the average adult in a certain region spe…
52
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a relative frequency table is made from data in a frequency table. what…
$20\%$
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the histogram shows the weekly rates charged by different daycares for …
nearly symmetrical
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directions: for the following questions, choose the best answer or resp…
1. B. People can overcome difficulties and succeed. 2. C. "Long live the rose that grew from concrete" (Line 7) 3. A. Curious about the rose, the speaker asks several questions ab…
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which graph is used to show how data changes over time? bar graph pie c…
C. Line graph
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which number is closest to the third quartile? 110 160 90
A. 110
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which number is closest to the third quartile? 60.5 79.5 55
B. 79.5
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which number is closest to the first quartile?
10
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which number is closest to the minimum? 95 35 110
35
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religious rituals and practices in sumer centered around polytheistic b…
They worshipped more than one god.
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why is it important to identify the main idea of a text? it helps you d…
It helps you understand the author's central message and what they want you to take away from the text.
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what did it mean when foreign diplomats kowtowed to the chinese emperor…
It meant that the diplomats were showing respect for the Chinese emperor.
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read the excerpt from lee childs \a simple way to create suspense\. lik…
The central idea is that answers in a story are revealed gradually, like peeling an onion or the predator - prey relationship in nature.
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read the excerpt from trifles. mrs. hale. dutys all right, but i guess …
D. through the sound effect of footsteps around the kitchen
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student absences use the table to complete the statements. the relative…
92%
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given the mean of a data set is 7 and the standard deviation is 2, wher…
A. 5 to 9
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in the sentence \la mala noticia es that está closed\ está means: it al…
it is
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given the mean of a data set is 56 and the standard deviation is 10, wh…
B. 46 to 66
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the word sabe means: is that could you tell me do you know who knows
do you know
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question 7 | 3 - 8 solving linear and non - linear systems a small busi…
$x\approx150.79$
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given the mean of a data set is 400 and the standard deviation is 17, w…
B. 383 to 417
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camp no camp total swimming lessons 42 32 74 no swimming lessons 18 4 2…
44%
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a relative frequency table is made from data in a frequency table. what…
27%
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as people exited a movie theater, they were informally surveyed about w…
a = 41%, b = 3%
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at the kansas city airport, a group of pilots for skyways and yellow je…
Yellow Jet, going east
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a group of 120 seventh- and eighth - grade students were asked whether …
Twenty - four seventh - grade students chose a non - sports activity.
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a group of students and workers entering a metro station were asked whe…
166
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a residential community was polling households to find out whether they…
C. $a = 38\%, b = 3\%$
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students from school a and school b were asked whether they watch tv or…
More students do neither activity at B than at A.
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students in 7th and 8th grade were asked the types of movies they prefe…
The marginal relative frequency for action movies is 44%. The joint relative frequency for 8th - graders who like comedy movies is 16%.
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residents of three counties were polled to find the percentage of resid…
Republican residents of County 1: $37.9\%$ Democratic residents of County 1: $62.1\%$ Total Republican residents: $58.9\%$ Total Democratic residents: $41.1\%$
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the following two - way table represents data from a survey asking stud…
$\frac{21}{50}$
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the following two - way table represents data from a survey asking stud…
- Students who have been to Hawaii but not Alaska: $\frac{15}{50}$ - Students who have been to Alaska or Hawaii: $\frac{29}{50}$
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the following two - way table represents data from a survey asking stud…
$\frac{14}{50}$
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the following two - way table represents data from a survey asking stud…
1. 0.28 2. 0.3 3. 0.42
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a survey was conducted with high school students in each grade to see h…
Fourteen 11th - graders prefer math and eight 10th - graders prefer science.
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a survey was conducted with high school students in each grade to see h…
191 students play sports and ninety - seven 10th graders were surveyed.
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completing a two - way table. a summer camp has 32 campers. a total of …
$a = 15, b = 7, c = 5, d = 10, e = 12$ (Second option)
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a group of 65 baseball players were surveyed about which hand they favo…
\(a = 7\) \(b = 31\) \(c = 28\) \(d = 13\) \(e = 65\)
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a group of 100 students were asked if they study french or spanish in s…
5 students study both French and Spanish. 2 students study neither French nor Spanish. 30 students study French, but not Spanish.
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read the paragraph. carefully maneuvering his skateboard through the ne…
Gino will be surprised by his friends' plans.
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given the mean of a data set is 131 and the standard deviation is 8, wh…
123 to 139
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a random sample of 184 students at south high school were surveyed on w…
The correct statements are: - 42% of the students prefer a concert over a movie. - A greater ratio of 11th - graders prefer a concert to a movie. - The difference in the percent o…
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a cell phone company surveyed 200 random customers on whether they were…
| | Plan A | Plan B | Total | |--|--|--|--| | Satisfied | 52% | 32% | 84% | | Not Satisfied | 4% | 12% | 16% | | Total | 56% | 44% | 100% |
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a random sample of students at north high school were polled on whether…
21%
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an electronics company polled 300 random people to find out whether the…
The cell labeled a is 48. The cell labeled b is 93.
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10. roller coaster the graph shows the height of a roller coaster in te…
The $t$-coordinate is $1.5$ seconds. It represents the time when the fish reaches its maximum height. ### 11b
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in the 9th and 10th grades at jefferson high school, there are 236 stud…
| | Right - handed | Left - handed | Total | |--|--|--|--| | 9th Grade | 111 | 10 | 121 | | 10th Grade | 103 | 12 | 115 | | Total | 214 | 22 | 236 |
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directions: for the following questions, choose the best answer or resp…
1. C. Ruth Wakefield was a cook who invented the first chocolate chip cookie. 2. D. by telling the story of how chocolate chip cookies were created and what happened next 3. B. "S…
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the root junc means join. what does the word conjunct mean? united give…
united
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the root puls means drive or push. what does the word impulsive mean? i…
inclined to act upon a sudden urge, without careful thought
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the root cred means trust or believe. what does the word accreditation …
an official recognition of quality
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the root bene means good. what does the word beneficiary mean? a person…
a person who receives a profit or an advantage
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the root jur means law. what does the word perjury mean? the act of tel…
the crime of lying under oath
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the root dict means say or declare. what does the word edict mean? an o…
an order issued by a person with authority
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the root bel means war. what does the word rebellion mean? the act of s…
the act of rising up in armed opposition to the government
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the root greg means group. what does the word aggregation mean? a law r…
D. a collection of different things
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the root mal means bad or evil. what does the word malignant mean? tend…
causing harm or suffering
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the root fic or fac means do or make. what does the word facilitate mea…
to cause something to be more efficient
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the root chron means time. what does the word synchronize mean? to arra…
to arrange things to happen at the same moment
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the root cred means trust or believe. what does the word credential mea…
a document proving a person's identity or ability
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the root pens means weigh out or distribute. what does the word recompe…
to give money to a person for a service or a loss
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the root junc means join. what does the word adjunct mean? something th…
something that is added to another thing
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the root bene means good. what does the word beneficent mean? having li…
performing acts of kindness
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the root cede means go or yield. what does the word intercede mean? to …
to come between two parties to try to settle a disagreement
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the root jur means law. what does the word jurisdiction mean? a locatio…
a location over which a governing body legally has power
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the root min means small. what does the word diminutive mean? little fa…
little
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read the excerpt from dispatches. you came to love your life, to love a…
a soldier who is always vigilant
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the root bel means war. what does the word bellicose mean? generous hos…
hostile
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the root dict means say or declare. what does the word diction mean? th…
the manner and style in which words are chosen for use in speech or writing
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the root greg means group. what does the word segregate mean? to replac…
to separate or isolate from others
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in chapter 3 of the scarlet letter, what does hester prynne mean when s…
Hester means that she has already been marked with shame for life whether she wears the letter or not.
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13. mean the mean a of two numbers, x and y, is given by a = \\frac{x +…
$y = 2A - x$
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this sign means:
This sign means that vehicles can turn left or go straight at the intersection.
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this sign means: a divided highway b you may turn left or go straight c…
B. You may turn left or go straight
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how are prefixes and suffixes alike? select two options. both are a typ…
A. Both are a type of affix. C. Both can change a word’s meaning.
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a flashing yellow light at an intersection means you must: a stop, chec…
C. Slow down, check for traffic, then proceed with caution
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7. factor each of the following, if possible. check with distribution. …
a) $(y + 7)(y - 3)$ b) Cannot be factored over the integers c) $2(w - 3)(w - 7)$ d) $(x + 5y)(x - 2y)$
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5. (challenge) factor by grouping, and check with distribution. $x^{2}-…
## Question 5: $(x - d)(x - 6)$ ## Question 7a: $(y + 7)(y - 3)$ ## Question 7b: Cannot be factored over the real - numbers ## Question 7c: $2(w^{2}-4w + 21)$
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this sign means:
The road ahead is slippery.
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4. factor by grouping, and check with distribution. 9x² + 3xy - 6x - 2y
$(3x - 2)(3x + y)$
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review the passage. the hyperbole is shown in bold. in a time without f…
It implies that composers were held in high regard.
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review the passage. the verbal irony is shown in bold. as i started for…
It implies that the people are more interested in entertainment than their own homes.
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1. factor out the greatest common factor of each expression. then, chec…
## a) - Factored form: $-4ab(3a^{3}- 5b^{3}+1)$ - Check: $-4ab(3a^{3}-5b^{3}+1)=-4ab\times3a^{3}-4ab\times(- 5b^{3})-4ab\times1=-12a^{4}b + 20ab^{4}-4ab$ ## b) - Factored form: $-…
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jonathan heard a news report that eating a gluten - free diet makes a p…
| | Negativa | Positiva | |---|---|---| | Gluten - free | 10 | 10 | | No gluten - free | 30 | 50 |
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question 1 1 pts what does it mean to \factor\ an expression? \factorin…
Question 1: "Factoring" is writing an expression as multiplication Question 2: $5x$
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john and lauren are looking for a good neighborhood to raise their chil…
Probabilidad que Miles es un patinador = $71\%$ Probabilidad que Anastasia no tiene hijos = $50\%$ Probabilidad que David es un patinador = $25\%$
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in everyday english, the words and or or are sometimes omitted. people …
1. AND 2. OR
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analyzing word choice america has a deeply confused image of itself tha…
They express a moral dilemma.
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america has a deeply - etched image of itself that is in practical term…
C. They celebrate diversity.
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justins dad claims that taking piano lessons will help justin get into …
- Número de adultos que tomaron lecciones de piano y asistieron a una escuela de la Ivy League: 2 - Respuesta sobre asociación: B. No, porque el 8.3% de las personas que tomaron l…
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4. kitchen appliances dont last forever. the lifespan of all microwave …
B. 34.5%
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tyler is bored in history class, so he is staring at the ceiling tiles.…
| | Square | Rectangle | Row total | |--|--|--|--| | Bright white | 25 | 10 | 35 | | Off - white | 23 | 10 | 33 | | Column total | 48 | 20 | 68 | $x = 70.59$
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finding statistical questions determine if the question posed is a stat…
1. no 2. yes 3. yes 4. no 5. yes 6. yes 7. no 8. yes 9. yes 10. yes 11. no 12. yes 13. no 14. no 15. yes 16. yes 17. yes 18. yes 19. yes 20. yes
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5. two measures of center are marked on the density curve shown. which …
5. d) The mode is at the solid line and the median is at the dashed line. 6. d) 1.2 centimeters
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finding statistical questions determine if the question posed is a stat…
1. yes 2. yes 3. yes 4. yes 5. yes 6. yes 7. yes 8. yes 9. no 10. no 11. no 12. yes 13. yes 14. no 15. yes 16. no 17. yes 18. yes 19. yes 20. yes
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tyler is bored in history class, so he is staring at the ceiling tiles.…
En la tabla de frecuencias absolutas: - En la fila "Square" y columna "Off - white": 10 - En la fila "Rectangle" y columna "Off - white": 10 - Total de la columna "Off - white": 2…
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determine if the question posed is a statistical question (yes) or not …
1) yes 2) yes 3) yes 4) yes 5) yes 6) yes 7) yes 8) yes 9) yes 10) no 11) no 12) yes 13) yes 14) no 15) yes 16) yes