Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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find the number that makes the ratio equivalent to 5:1. $square$:6
30
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kim rode her bicycle 135 miles in 9 weeks, riding the same distance eac…
A. Eric rode 2 more miles per week than Kim rode.
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find the number that makes the ratio equivalent to 4:2. 40:□
20
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suppose that there were a strong correlation between the variables d an…
B. d may cause f.
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question 4 of 10 which of these r-values represents the weakest correla…
D. 0.2
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question 4 of 10 which of these r-values represents the weakest correla…
D. 0.2
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which graph best represents the following situation? as x increases, y …
B. Graph B
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a change machine at an arcade gives change for $1 bills and $5 bills. i…
D. 175
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see the table below. what is $f(2)$? what is the value of $x$ for $f(x)…
$f(2) = 11$ When $f(x)=15$, then $x=4$
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on a test consisting of only true/false questions and multiple-choice q…
B. The test contains 15 multiple-choice questions.
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each day for two weeks, howard recorded values for the following two va…
14 minutes
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two families are taking a vacation together. they each leave at 9 a.m. …
1. The equation for the Jacksons is $y = 40x + 50$ and the equation for the Milligans is $y = x + 60$: False 2. The cars will reach the same point in 4 hours: False 3. If the cabi…
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stem leaf 0 3,4,4,6,8 1 0,1,1 2 2,5,5,5,7,9,9 which histogram represent…
The fourth (teal) histogram (with frequencies 4-5, 2-3, 5-6 matching 5, 3, 6 for intervals 1-9, 10-19, 20-29)
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homework 5.3 reminder: complete hw on looseleaf with a proper heading. …
1. $\$10$; this represents the part. 2. $\$9$; $\$9$ is the part, $\$60$ (the full sneaker price) is the whole. 3. $\$24$ 4. $\$14.40$ 5. $\$3.50$; 10% means one-tenth of the hood…
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heights of 30 people what is an interval? a percentage a single number …
D. A range of numbers
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which circle graph represents the same data as the histogram?
C. (The orange-bordered circle graph with percentages: 7% (0 to 5), 13% (6 to 11), 31% (12 to 17), 27% (18 to 23), 22% (24 to 29) — note: minor rounding differences align with his…
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a table of values is shown below: input a value of $x$ that would make …
10 (or 11, or 12)
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2. if there are 300 kittens born for every 1,000 cats in a year, what i…
0.3 kittens
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1. what does population density tell us that population size does not? …
the area of the habitat (relative to population size)
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simplify the expression. write your answer on the line using only posit…
1. $\frac{5x^8}{y^5}$ 2. $-125a^{12}b^{6}$ 3. $125$ 4. $-64x^6$ 5. $\frac{1}{81x^4}$ 6. $12x^6$ 7. $-22^{\frac{1}{5}}$ 8. $\sqrt[4]{(-4)^3}$ 9. $-6$ 10. $1024$ 11. Scientific: $6.…
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question 1 of 10 a score of 3 or better on the exam administered at the…
A. An AP course
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what does the repeated mispronunciation of the narrators name mainly sy…
D. Feeling misunderstood or out of place
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multiple-choice question \writing materials were scarce and cumbersome.…
hard to find
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how does alvarez develop characterization in the story? standard: ela.e…
By describing the narrator's actions, thoughts, and memories
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imagine you are a poet in todays world. how might you draw inspiration …
D. By focusing on themes of identity, resilience, and cultural pride
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module 7 exam math 8 b / module 7 4. how can you determine if two ratio…
You can use cross-multiplication: for ratios $\frac{a}{b}$ and $\frac{c}{d}$, verify if $a \times d = b \times c$. If the products are equal, the ratios are equivalent.
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question 13 (multiple choice worth 1 points)08.05r lcthere are 480 jell…
60 (the option with this value)
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select the opposite meaning based on the image. simpático tímido genero…
A. Simpático
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read the excerpt from the great gatsby. twenty miles from the city a pa…
a sense of artificiality in the world the narrator finds himself in.
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identifying central idea — quiz — level e this bog body was discovered …
1. Bog bodies are **mummies**. 2. Some are so well **preserved** that you can see hair on the bog body. 3. Cashel Man had **injuries**. 4. This told scientists he had been **kille…
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i-readyidentifying central idea — quiz — level ecould of the remains.sc…
Bronze Age people buried kings in bogs.
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ms. chin is comparing the sales of sweaters and gloves at her store for…
D. a linear function with a positive slope
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a store owner has been keeping a careful record of sales of one brand o…
The data is best modeled by a **non-linear** function Based on the graph, the store **should** continue stocking this particular brand of jeans
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at a grocery store, rice costs $1.00 per pound and flour costs $0.50 pe…
5 pounds of rice and 7 pounds of flour equal 12 total pounds. *(Note: Any pair of non-negative whole numbers where their sum is 12 is a valid answer, e.g., 0 and 12, 6 and 6, 12 a…
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1 select the correct answer from each drop-down menu. the annual enroll…
$y = 0.17x^2 + (-1.78)x + 11.11$ (or using exact fractions: $y = \frac{11}{64}x^2 - \frac{114}{64}x + \frac{711}{64}$)
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mindy and troy combined ate 9 pieces of wedding cake. mindy ate 3 piece…
24
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the graph shows a relationship between the average number of hours 15 n…
$y = 0.28x + 1.2$
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3. a ball bounces several times after it is dropped. the graph shows th…
B. The vertical intercept shows when the ball is dropped. D. The function has the maximum value at the vertical intercept. E. The horizontal intercepts of the graph show the times…
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question 4 of 5 drag the numbers to the correct locations in the equati…
$y = 10.76\sqrt{x - 10} + 43.64$
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question 3 of 5 select the correct answer from each drop-down menu. thi…
The data is best modeled by the function $y = 1.40x + 57.0$ Based on the linear model, the approximate height of a tree with a diameter of 22 inches is 87.8 feet The correlation c…
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engine production if a good linear model for the data set is determined…
positive and close to 1
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9. cameron and joseph both planted trees. camerons tree was 1 foot tall…
B. $y=2x + 1$ D. $y=\frac{1}{4}x + 8$ --- ### Part (b)
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select the correct answer. the graph shows the increase in drive time f…
After a six-inch snowfall, a commuter should plan on it taking about 27 minutes to travel the five miles.
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you try!1. using the following table, what term best describes the entr…
1. B. Joint relative frequency 2. A. Joint frequency
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you try!1. using the following table, what term best describes the entr…
1. B. Joint relative frequency 2. A. Joint frequency
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which of the following is the main purpose of the highlighted text from…
To persuade the audience to fight so that a nation built of, by, and for the people does not perish.
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you try!1. using the following table, what term best describes the entr…
1. B. Joint relative frequency 2. A. Joint frequency
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cleo is writing an essay arguing that her school should open at 8:30 a.…
A. Kennedy High School should open at 8:30 a.m. instead of 7:30 because students would get an extra hour of sleep, improving their health and brain function.
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you try!1. using the following table, what term best describes the entr…
1. B. Joint relative frequency 2. A. Joint frequency 3. Joint relative frequency
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05.05 create a survey of high-school students asked whether they prefer…
62
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you try! given the frequency table, what percentage of the students tha…
61% (corresponding to the option labeled 61%)
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read the passage. then answer questions 8 through 15.mulan: fact or fic…
B. Historians have yet to discover definitive evidence to prove if Mulan was real.
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find the value of $f(-7)$. $y = f(x)$ answer attempt 1 out of 2
9
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which claim is the most effective for the argument that the minimum age…
Changing the minimum driving age to 18 would mean safer roads for everyone, since less-experienced drivers are more likely to have accidents.
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05.05 complete the frequency table: method of travel to school | | walk…
C. 80
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mid-term examry deviceserary devices an author uses toall meaning of a …
the description of a pie appealing to the sense of smell
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use 1 of the 7 strategies to decode the meaning of the underlined word …
A. cautious
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5 multiple choice 3 points if the average of five numbers is 20, and fo…
20
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what is the meaning of symmetrical in the following sentence? there was…
Symmetrical pertains to being even.
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4. ex 4. write a conjecture that describes the pattern in the sequence.…
Conjecture: The sequence follows the pattern of triangular numbers, where each term is the sum of all positive integers up to its position in the sequence. Next item: $15$ --- ###…
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47. at the end of baseball season, 5% of the children enrolled in a loc…
C. 240
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nina can ride her bike 63,360 feet in 3,400 seconds, and sophia can rid…
1. Nina's rate: 11.7 mph 2. Faster girl: Nina
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sam ran 63,756 feet in 70 minutes. what is sams rate in miles per hour?…
Step 2: $\frac{1\ \text{mi}}{5,280\ \text{ft}}$ Step 3: $\frac{60\ \text{min}}{1\ \text{hr}}$ Final rate: $10.2$ miles per hour
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sam ran 63,756 feet in 70 minutes. what is sams rate in miles per hour?…
Step 2: $\frac{1\ \text{mi}}{5,280\ \text{ft}}$ Step 3: $\frac{60\ \text{min}}{1\ \text{hr}}$ Final rate: $10.2$ miles per hour
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name:date:directions: study each pattern carefully. use inductive reaso…
Part A: 1. 112 2. 64 3. 55 4. $\star\star\star\star\star$ Part C: 5. 10 cm Ex 1: Conjecture: Each term is the previous term multiplied by its 1-based position (starting with ×2 fo…
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name gregorygovernment officials quiz # 11. which branch of government …
1. B. The Legislative Branch has the power to declare war. 2. - Serving as Commander-in-Chief of the U.S. military - Appointing federal judges and cabinet members (with Senate con…
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relative frequencies dean collected data on the favorite sports of the …
D. In Grade 9, 18% of students liked running.
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the mayor wants to know how the people of the city feel about a bottle …
What is the population? all the people in the city What is the sample? all the people who live on the block and are home that day
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the mayor wants to know how the people of the city feel about a bottle …
What is the population? all the people in the city What is the sample? all the people who live on the block and are home that day
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you may use your printed learning notes but no other materials. no brow…
A. Lands that were largely uninhabited before European arrival and US settlement and thus open for development and resource extraction
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hrasing group 1 dialogue assigned assigned assigned with your partner t…
"May the day you were born be damned, you hated monster! May the hands that made you be cursed! You've made me miserable beyond words. Get out! I don't want to look at your hated …
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you try the table shows the movie preferences of high school and colleg…
Julie actually calculated the relative frequency of college students among all students who prefer comedy (70%). The correct conditional relative frequency for college students wh…
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and proportion and percent – problems 9. what percent of 650 is 78? a 4…
C. 12%
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complete based on these results, which of these statements are true? yo…
- You would expect to get 0 heads and 3 heads about the same number of times. - You would expect to get 1 head and 2 heads about the same number of times. - This would be a good e…
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you flip 3 coins 20 times and record the number of heads. the results a…
$a=2$, $b=7$, $c=8$, $d=3$ Completed frequency table: | Number of Heads | Frequency | |-----------------|-----------| | 0 | 2 | | 1 | 7 | | 2 | 8 | | 3 | 3 |
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warm-up you flip 3 coins 20 times and record the number of heads. the r…
$a=2$; $b=8$; $c=8$; $d=2$
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work with your partner to paraphrase the original text into more everyd…
"You, the one who made me, loathe me; other people reject and hate me. The empty mountains and gloomy ice fields are the only place I feel safe. I’ve wandered around here for days…
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converting quantities shown in a graph consider the graph of miriams bi…
How many hours did Miriam stop to rest? 0.75 How many hours did it take Miriam to bike the initial 8 miles? 0.75
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question 14 (1 point)(05.07 mc)the table shows the values of y for diff…
d. There is a strong negative relationship between x and y.
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read the definitions. ex-- = \out\ im-- = \in\ plicit = \folded\ which …
The research assignment came with explicit instructions on source citation.
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if biblio is a word root meaning \book,\ and phil means \love,\ what is…
someone who adores books
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question 13 (1 point) (05.07 mc) a scatter plot is made to model the am…
d. The original balance on the credit card
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24/35 what is a student loan where the student is responsible for the i…
Direct Unsubsidized Loan
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read the meanings of the word bolt, then read the sentence. definition …
Definition 3
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question 12 (1 point)(05.06 lc)an equation was created for the line of …
b. No, the equation is not a good fit because the residuals are all far from zero.
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read the definitions. rung /rʌŋ/ middle english; old english hrung or c…
He wrung as much water out of the towel as he could before hanging it up. When she heard the news, she wrung her hands in frustration.
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question 11 (1 point) (05.06 mc) an equation was used to predict possib…
b. 7
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question 8 (1 point)(05.05 mc)shaun found that 43 students in his schoo…
d. | | Like swimming | Did not like swimming | Total | |----------------|---------------|-----------------------|-------| | Like skating | 21 | 22 | 43 | | Did not like skating | …
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question 7 (1 point)(05.04 mc)the following data show the prices of dif…
a. The box plot will have its right tail longer than the left tail because a few exceptionally high prices make the distribution skewed to the right.
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question 6 (1 point) (05.02 lc) the number of pieces of popcorn in a la…
d. 99.7%
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study the table, which shows the meanings of common homophones. choose …
1. they're 2. their
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the graph represents the heights of two climbers on a climbing wall ove…
D. 22 feet
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question 5 (1 point)mc:radio:(05.02 mc)two groups of students were aske…
b. The interquartile range for Group A students is 1.5 more than the interquartile range for Group B students.
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read the sentence and study the table. when raj removed the clocks cove…
1. What is the meaning of spring as it is used in the sentence? definition 2 2. Which word is a context clue that supports your answer? clock's cover/mechanism
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the table represents the amount of storage space, in megabytes, used by…
As the number of files increases, the storage space used increases.
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question 4 (1 point)(05.02 lc)two groups of students were asked how far…
a. It is equal for Group A and Group B.
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the table shows the total distance that myra runs over different time p…
increasing
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question 3 (1 point)(05.01 mc)the following data shows the temperature …
b. The box plot with minimum at 8.2, Q1 at 8.3, median at 8.4, Q3 at 8.5, and maximum at 8.9
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read the sentence and study the table. the 100-year-old document was al…
disintegrating
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read the sentence and study the table. jaren and shardae found that coo…
requiring effort