Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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casey and jayden look for animal footprints in the woods. casey finds 1…
The third bar model (Jayden: \( f \), Casey: \( f \) \( f \), total 18)
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jordyn weighs ingredients on a kitchen scale to make bread. the bowl we…
4
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mparing data sets with boxplots oyster volume (cc) which statements are…
The statement “Oysters tend to have more volume than mussels” is true (e.g., if it’s an option to select, mark it as correct).
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keona and ethan write poetry in english class. keona writes 8 lines of …
Ethan writes 16 lines of poetry. ### Part 2: Which bar model represents the problem?
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question #14 which statement about the relationship between correlation…
Question #14: A. Causation implies correlation. Question #15: A. -0.95
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task 2: key concepts use the key terms below to write an essay of over …
## Title: Demystifying Payroll: From Gross Earnings to Take-Home Pay Understanding payroll means navigating a chain of terms that turn raw earnings into the money employees actual…
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question #9 a strong, positive linear correlation is found between heig…
Question #9: D. 0.9 Question #10: C. The variables have a weak, negative correlation
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algebra: concepts and connections - plc comparing data sets analyzing h…
The distribution for Illinois is skewed
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question 15 consider the given table. | x | y | |----|----| | 1 | 5 | |…
A. The correlation coefficient of -1 indicates that the x and y values have a perfect linear relationship.
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a set of data is shown to have a correlation coefficient of 0.15. what …
B. There is a weak positive linear correlation between the x values and y values.
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question 5 several linear models are used to describe the relationship …
A. -0.98
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a dart is dropped above the target shown in the diagram. the dart has a…
0.04
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question 2 1 pts a dot plot shows 5 dots above the number 7. what does …
The value 7 appears 5 times
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scientists are tracking a wolf. the graph shows the proportional relati…
$y = 12x$
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which display is best for showing the frequency of data grouped into in…
A. Histogram
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question 15 the graphed function shows the profit or loss for pizzawhiz…
B. The slope is 2.5; it represents the profit or loss made on each stand
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jason is making fruit salad for a family picnic. at the market, he spen…
2.5 pounds
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2. the temperature in city b is less than 2°c. let b represent the temp…
The inequality is \(b < 2\). To graph it: - Place an open circle at \(2\) on the number line. - Draw an arrow pointing to the left from the open circle to represent all values of …
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4. the list shows the amount of each item needed in a fruit salad recip…
A. $\frac{1}{8} + \frac{1}{8} + \frac{8}{8}$ E. $\frac{1}{8} \times 10$
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inequalities and solutions 1. the temperature in city a is 2°c. let a r…
The equation is \( \boldsymbol{a = 2} \). To graph it, place a closed dot at \( 2 \) on the number line.
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order the numbers from least to greatest. $-\frac{3}{5}, -\frac{1}{2}, …
E. $-0.61, -\frac{3}{5}, -\frac{1}{2}, -\frac{5}{11}$
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which function represents the data in the table? the table has two colu…
D. \( f(x)=\frac{x}{4}+1 \)
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question 8 1 pts what is the mean of the data 2, 9, 7, 4? ○ 6 ○ 5 ○ 4 ○…
5.5
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question 6 what is the median of the data 3, 3, 6, 9, 13, 15? ○ 6 ○ 7.5…
B. 7.5
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question 5 1 pts which measure of central tendency is most affected by …
Mean
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question 4 1 pts what is the range of the data 15, 9, 20, 11? 11 6 20 9
11
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modeling real life you are assigned 32 math exercises for homework. you…
8
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read the passage from the novel the catcher in the rye. in the passage,…
The narrator feels nervous for Phoebe but thinks children need to try things on their own.
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question 3 1 pts what is the mode of the data 8, 2, 4, 8, 3, 2, 8? 2 an…
8
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read the passage. autumn is a colorful time in many places. in preparat…
plant leaves
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question 1 what is the mean of the data 4, 6, 7, 3, 10? ○ 2 ○ 30 ○ 6 ○ …
C. 6
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write and solve a proportion to answer the question. \\(\frac{3}{4}\\) …
The blank should be filled with $\frac{60}{100}$ (or $\frac{3}{5}$). And the number $n=\frac{5}{4}$ (or 1.25). But for the proportion $\frac{\frac{3}{4}}{n}=\square$, the $\square…
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modeling real life of 140 seventh - grade students, 15% earn the presid…
21
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choose tools use a model to answer the question. use a proportion to ch…
84
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choose tools use a model to answer the question. use a proportion to ch…
\( 50 \)
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choose tools use a model to answer the question. use a proportion to ch…
25
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choose tools use a model to answer the question. use a proportion to ch…
25%
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use the table to answer the question. find the rate of change. number o…
\$4.50 per person
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choose tools use a model to answer the question. use a proportion to ch…
16
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(t2) (7 points) which of the following represents the slope of the line…
-75; the value drops $75 every year
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(a) identify the shape of the distribution, and (b) determine the five …
C. The distribution is roughly symmetric ---
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2. there are 12 pounds of dirt to be shared equally among 8 flowerpots.…
Each flowerpot should get 1.5 (or $\frac{3}{2}$) pounds of dirt. To explain: We divide the total 12 pounds of dirt by the 8 flowerpots because we are distributing the dirt equally…
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question 11 the local ice cream shop offers 3 different types of cones …
a. 42 ### Question 12
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multiple-choice question where do you stop and place the decimal? when …
When you have 1 number (not a zero) to the left of the decimal.
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word meanings quick check what word is the best synonym for aroma? (1 p…
C. scent
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word meanings quick check which of the following is dependent on an aut…
D. diction
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word meanings quick check in the word unsustainable, the un-, sustain, …
D. morphemes
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word meanings quick check what are the types of affixes? select the two…
A. prefix, C. suffix
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word meanings quick check what are morphemes? (1 point) ○ the smallest …
the smallest meaningful units in a language
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1. part a: which statement best expresses the central idea of the speec…
1. PART A: C. Education is the most effective tool to improve the world and end inequality. PART B: D. "So let us wage a global struggle against illiteracy, poverty and terrorism …
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hazel has 8 cousins. hazel has 2 times as many cousins as sawyer. how m…
Sawyer has 4 cousins. ### Part 2: Identifying the correct bar model
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4 multiple choice 1 point choose the best comparison operator to go int…
||. Logical OR operator (returns true when at least one condition is true)
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a device receives the binary code “101”. what does this sequence of pul…
A. The signal is on, then off, then on again.
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26, 500 has how many significant figures? 4 2 5 cannot be determined 3
cannot be determined
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find the rounded answer. (4.2 + 8.35) x 5.111 + 20 =
B. 84
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word form: 3. multiply decimals
\( 207.528 \)
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0.92 0.8 + 5.3 0.92 0.8 form: tiply decimals 86.47 × 4
\( 86.47 \times 4 = 345.88 \)
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what does the slope of the line tell you about the situation? jade gain…
Jade gained 100 pounds every 3 months.
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what does the y-intercept of the line tell you about the situation? the…
B. The tank has 200 gallons in it when Jack opens the valve.
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which equation models the relationship between the two variables in the…
$y=-3x+2$
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a mother bear and her cub catch fish from a river. the mother bear catc…
The third bar model (Cub: \( f \), Mother: \( f \ f \ f \ f \ f \), total for Mother: 10) (the one with Cub labeled \( f \), Mother labeled with five \( f \) segments, and the tot…
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these students mean business analyze the article 1. in what ways does t…
To answer these questions, we would need the actual article that is being referred to (the content of the article titled "THESE STUDENTS MEAN BUSINESS"). Without the article's tex…
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problems 9 –12, solve. 9. the graph at right represents a chocolate fac…
A. Completed table: | $n$ | 1 | 2 | 3 | 4 | 5 | 6 | 7 | |-----|---|---|---|---|---|---|---| | $f(n)$ | 40 | 80 | 160 | 320 | 640 | 1280 | 2560 | B. Yes, it is a geometric sequence…
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use the data in the table to answer exercises 4–5. 4. are the ordered p…
7. No, because the input x=6 has two different outputs (21 and 30). 8. Yes, because every x input (year) has exactly one y output. 9. Yes, because every x input (year) has exactly…
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a semitruck has 18 wheels. the semitruck has 3 times as many wheels as …
The first bar model (Garbage Truck: \( w \), Semitruck: \( w\ w\ w \) with total 18)
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11. a person jogs 13 mile in 2.6 hours. what is the persons speed in mi…
11. 5 miles per hour 12. Ingredient A: 40 gallons, Ingredient B: 52 gallons 13. 225 feet 14. Hours for 8 miles: $\frac{1}{4}$; Miles for $\frac{1}{2}$ hour: 16
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ray had 5 yards of ribbon. he used \\(\\frac{2}{3}\\) of it. how many y…
s: 10. D. $\frac{10}{3}$ 11. A. $\frac{9}{4}$ 12. C. 24
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what inequality does this number line show? write your answer starting …
\( x \leq 51 \)
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mrs. mendez is driving her car on a road trip. she drives 55 miles per …
a) 220 miles b) 135 miles
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place the correct number to complete the sentence. the equation, $c = 1…
75
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what inequality does this number line show? -73 -72 -71 -70 -69 -68 wri…
\( x \leq -69 \)
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what inequality does this number line show? 173 174 175 176 177 178 wri…
\( x \geq 174 \)
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what inequality does this number line show? write your answer starting …
\( x \geq 4 \)
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what inequality does this number line show? -6 -5 -4 -3 -2 -1 write you…
\( x < -2 \)
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what inequality does this number line show? -5 -4 -3 -2 -1 0 write your…
\( x \leq -4 \)
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2 cheng has 2 pails of fish. each pail has the same number of fish. whi…
C. 10, E. 18
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what inequality does this number line show? write your answer starting …
\( x \leq 1 \)
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what inequality does this number line show? 4 5 6 7 8 9 write your answ…
\( x > 6 \)
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write the ratio as a fraction in simplest form. 1. 24 videos : 10 pictu…
1. $\frac{12}{5}$ 2. $\frac{15}{8}$ 3. $\$0.60$ per song 4. The ratios do not form a proportion. 5. The ratios form a proportion. 6. The rates form a proportion. 7. The rates do n…
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the histogram shows the number of texts a group of students sent each d…
1. Students sent from $\boldsymbol{0}$ to $\boldsymbol{10}$ texts each day. 2. $\boldsymbol{4}$ students sent between 8 and 10 texts.
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leanne is gathering data about how her classmates’ hours of study might…
4. Yes, the ordered pairs are a relation. Any set of ordered pairs that links inputs to outputs is a relation, and the given data forms such a set. 5. No, the relation is not a fu…
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when lucy was 6 years old, her sister was half her age. if lucy was tur…
37
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let s represent the number of stops that julia buys.1) which inequality…
A. $5 + 2.75\cdot S\leq21$ ### 2)
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let b represent the number of bags of avocados that alonso buys. 1) whi…
A. \( 2.50 + 5B \leq 21 \) ### Part 2:
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3 a. john rides his motorcycle 384 km in 4 hours. what is his average s…
3 a. 96 kilometers per hour 3 b. 2.5 hours
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which table(s) represent nonlinear functions? tables 2, only tables 2 a…
# Explanation: ## Step1: Recall linear function definition A linear function has a constant rate of change (slope), i.e., the difference in output values (Δy) divided by the diffe…
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which answer choice is true? the table does not represent a function be…
The table represents a nonlinear function because the ratio of the change in the y value and the change in the x value is not constant. (The light - blue colored option)
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what did mansa musa do in 1324? made the hajj, which is the pilgrimage …
The correct option is: Made the hajj, which is the pilgrimage to Mecca required at least once in one’s lifetime for Muslims who are physically and financially able to do so.
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question 3 1 pts what is the main difference between strategy and tacti…
Strategy is a big plan; tactic is a small action
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speed, time, and distance worksheet 1 a. julia rides her bike 6 km in 1…
1 a. 12 kilometers per hour 1 b. 40 miles per hour 2 a. 312 miles 2 b. 1000 kilometers per hour
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question 1 what is the primary function of money? to act as a medium of…
All of the above.
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can i determine rate of change and initial values from tables and graph…
a. $y = 6.30x + 5.94$ b. The slope means each t-shirt costs $\$6.30$. c. The y-intercept means there is a $\$5.94$ base cost (when 0 t-shirts are purchased). --- ### Second Proble…
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when she says her \memory is an abstract painting\ what does that revea…
She can't remember things clearly, but she remembers a few bits
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\el rey supermercado\ by james p larson when ernesto and heriberto \bet…
1. *Magnitude* means large size or scale (the company's unexpected growth). 2. El Rey fulfilled the need for accessible, fresh Hispanic food products (specifically corn tortillas)…
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round 13.847 to the nearest tenth.
\(13.8\)
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round 9.288875 to the nearest thousandth.
\(9.289\)
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round 16.27 to the nearest one.
16
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round 1.9255 to the nearest tenth.
\(1.9\)
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round 9.1816 to the nearest tenth.
\(9.2\)
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round 15.96 to the nearest tenth.
\(16.0\)