统计与概率
数据分析、概率分布、假设检验与统计方法。
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the data represents the ages of people at a book fair. how many peaks d…
2
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there is a coordinate grid with several points plotted. below the grid,…
Discrete
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where does the trend line touch or cross the y - axis? is the slope pos…
Where does the trend line touch or cross the Y-axis? $\boldsymbol{10}$ Is the slope positive or negative? $\boldsymbol{negative}$ $y = \boldsymbol{-\frac{4}{3}}x + \boldsymbol{10}$
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shannon tracked how many laps she ran in the past 5 days. laps ran day …
7
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sonya randomly surveys 26 seventh graders to gather data about the most…
7.5
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does this graph represent a linear or nonlinear relationship? nonlinear…
Linear (corresponding to the purple option labeled "Linear")
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analyzing tax data the table presents detailed tax data for 10 individu…
\$868
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select the word that means agreed to by all. the authors of the declara…
unanimous
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select the word that means financial and economic success. josé mujica …
prosperity
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hematics 7 - 7 - full year mathxl for school: additional practice part …
7.5
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select the word that means to do what others do. psychologists have stu…
conform
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problems. what is the mean time for each problem? make a
25
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select the word that means a person who works for a cause. born in indi…
advocate
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4. use the following to determine the sum. 123,121, 119, ..., -51
3168
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mathematics 7 - 7 - full year 6 - 2 mathxl for school: additional pract…
26
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select the word that means a formal written request. susan b. anthony s…
petition
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directions: use the annotation guide to help you respond to the skills …
To answer these questions, we need the text of paragraph 2 (which is not provided here). Without the paragraph, we can't identify the antonym of "superstitious", determine the mea…
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problem 1 the mean time for problem 1 is \\boxed{} minutes. (type an in…
29
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select the word that means showing a great deal of variety. nematodes, …
diverse
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select the word that means extra. the united states department of agric…
surplus
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select the word that means people who are walking. around the world, mo…
pedestrians
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select the word that means put an end to. in 1870, the fifteenth amendm…
abolished
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select the word that means the length of time something lasts. a year o…
duration
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select the word that means a person known for making speeches. sojourne…
orator
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select the word that means sticks out. the narwhal is a type of whale t…
protrudes
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select the word that means pass by. the sixth amendment to the united s…
elapse
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highlight the claim, evidence, and reasoning in the paragraph below. re…
- **Claim**: *By supporting neighborhood gardens, the US government would ensure that people all over the country have access to healthy foods.* *Having access to well-supported n…
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1.1 must do: identifying claims, evidence, and reasoning highlight the …
- **Claim**: Peer pressure hurts students’ academic performance. - **Evidence**: For example, one report by the Heritage Organization found that approximately one in four elementa…
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express the relation below as a table. (9, 13) (8, -15) (-7, 17) (15, 1…
The completed table is as shown above with rows (from top to bottom) having \(x\) values 9, 8, -7, 15, 13, -18 and corresponding \(y\) values 13, -15, 17, 14, -8, 9.
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select the word that means turned upside down. if you want to improve y…
inverted
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a. the values of x and y are proportional. find the constant of proport…
The constant of proportionality \( k = 4 \). The completed table is: | \( x \) | 9 | 4 | 5 | 2 | | \( y \) | 36 | 16 | 20 | 8 | ### Part 2: Similar Triangles (Proportion)
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select the word that means combined into one. in 1971, six small middle…
merged
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select the word that means distance from side to side. the caspian sea …
breadth
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select the word that means ends for a period of time. every january, th…
adjourns
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select the word that means pieces of equipment used for a specific acti…
apparatuses
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select the word that means leaving out. you can usually improve your wr…
omitting
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select the word that means a person who runs away to avoid capture. in …
fugitive
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select the word that means rules against doing something within a parti…
taboos
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lesson check 6. the bead is 1 inch long. estimate the length of the str…
about 5 inches ### Question 7
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select the word that means the cause of a problem. epidemiologists are …
culprit
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question ellie invested $6,400 in an account paying an interest rate of…
$\$12400$ (Note: If we use a more precise calculation of the compound - interest formula, we might get a slightly different result, but when rounded to the nearest hundred dollars…
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the outsiders chapters 5 & 6 vocabulary practice place the correct word…
To solve these vocabulary fill - in - the - blank questions, we need to understand the meaning of each vocabulary word and the context of each sentence: ### Question 1 - **Context…
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the bell curve, also called the normal curve, is a graph that is used t…
the distribution and average of test scores
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intelligence tests are scored in which of the following manners? mean=8…
Mean = 100; SD = 15
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7. \voluntary exchange creates ______.\ ○ wealth ○ potential conflict ○…
○ wealth
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10. mp model with mathematics mr. frank is purchasing pastel crayons fo…
Inequality: $c \geq 192$ Solution: Mr. Frank should purchase at least 192 pastel crayons.
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a bag with 8 marbles has 4 yellow marbles, 3 blue marbles, and 1 red ma…
\(\frac{1}{2}\)
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a bag with 10 marbles has 3 blue marbles, 2 yellow marbles, and 5 red m…
\(\frac{3}{10}\)
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make sure to show all work. 1) what is 25% of 90? 2) what is 33% of 55?…
1. $22.5$ 2. $18.15$ 3. $-x -4$ 4. No 5. $-11$ 6. $x \geq 10$ (Graph: Closed circle at 10, arrow pointing right on the number line) 7. 18
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(b) nice work! linear function, of the form f(x) = mx + b cubic functio…
exponential function, of the form $f(x) = a \cdot b^x + c$
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period 4 assignment: problem 1: babies sleep an average of 14 hours per…
16% ### Part (b): How many will sleep more than 16 hours? #### Step 1: Use the percentage from part (a) We know that the percentage of babies who sleep more than 16 hours is 16% (…
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for each scatter plot, decide what type of function you might choose as…
exponential function, of the form $f(x) = a \cdot b^x + c$
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for each scatter plot, decide what type of function you might choose as…
(a) cubic function, of the form $f(x) = ax^3 + bx^2 + cx + d$ (b) reciprocal function, of the form $f(x) = \frac{a}{x}$
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step 2 when a linear function is written in the form y = mx + b, the sl…
12.51 mg
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question 3600 dollars is placed in an account with an annual interest r…
$\$31043.09$
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(a) find the slope of the graph of c. what does it represent? we are gi…
The slope of the graph of $c$ is $12.51$, and it represents the change in mg of the child's dosage for each 1-year increase in age.
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(a) find the slope of the graph of c. what does it represent? we are gi…
The slope of the graph of $c$ is $12.51$. It represents the **increase** of the dosage for a child for each change of 1 year in age.
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tutorial exercise if the recommended adult dosage for a drug is ( d ) (…
(a) The slope is 12.51, representing the increase in child dosage (in mg) per additional year of age. (b) The dosage for a newborn is 12.51 mg. The simplified equation is $\boldsy…
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understand analysis what do you know? what is happening in the problem?…
3. $m < 96$ 5. $a > 3$ 6. $p \geq 4.6$ 7. $k \geq \frac{7}{4}$; Graph: Closed circle at $1.75$, shade right 8. Inequality: $14 + e \leq 19$; Solution: $e \leq 5$ 9. Inequality: $1…
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nderlined word in each verse to its meaning in the context of the poem.…
1. "In which the burthen of the mystery..." → meaning, weight, or significance 2. "Faint I, nor mourn nor murmur, other gifts / Have followed; for such loss, I would believe, / Ab…
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helene considers two jobs. one pays $51,000/yr with an anticipated year…
\( 51000 + 4150x \) ### Part 2 of 3 (b)
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5) jada saw a music video that her favorite artist recently posted onli…
### For 5a): 20 ### For 5b): It represents the number of views the video had 2 days before Jada saw it. ### For 6) Completed Table: | $x$ | -3 | -2 | -1 | 0 | 1 | 2 | 3 | |-----|-…
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instructions read the question carefully and select the best answer. wh…
A. adjective | ineffective
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in a classroom, \\(\\frac{3}{10}\\) of the students are wearing blue sh…
2
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instructions read the question carefully and select the best answer. th…
B. a learner’s attitude impacts work and performance
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solve on paper. then check your answer on zearn. \\(\frac{1}{6} \\times…
4
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the puppy must weigh at most 7 pounds to sit in the chair. which repres…
The correct representation is "Any value less than 7 or equal to 7" (the option with that text).
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\jim crow\ (or \jump jim crow\) verse 1 come listen all you galls and b…
B. Unintelligent ### Question 33
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6. a table of selected values is given for function m and n. let $p(x) …
s: a. \( p(6)=\boxed{-2} \) b. \( x=\boxed{3} \)
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solve on paper. then check your answer on zearn. \\(\frac{1}{5} \times …
4
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numeric 1 point evaluate the logarithm. if necessary, use a calculator …
1.544
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date: _______________ per: ____ homework 9: fractions, decimals, & perc…
### For the first row (Fraction $\boldsymbol{\frac{3}{10}}$): #### Step 1: Convert Fraction to Decimal To convert a fraction to a decimal, we divide the numerator by the denominat…
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a bowl contains 6 red beads, 8 black beads, and a number of green beads…
1. 10 2. 650
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7. a bag contains 10 pieces of flavored candy: 4 lemon, 3 strawberry, 2…
E. $\frac{4}{5}$
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there are currently 9 inches of snow on the ground in tollesboro. if sn…
10.5 inches
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8. what does it mean to have an using a variety of sources to do resear…
8. Investing in different assets to spread out the risk to different markets 9. A dividend is a payment a company makes periodically to owners of its stock 10. It can help you gro…
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there are 4872 people at a stadium. the stadium has 7 sections on the e…
C. 381 people
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4. the 13 - member math club needs to choose a student government repre…
H. $\frac{1}{10}$
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directions: complete the chart below. | | fraction | decimal | percent …
For the decimal column: $0.3$ For the percent column: $30\%$
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5.nso.2.5 14. enter the answer. what is 589.7 ÷ 0.01? ______
58970
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1. the numbers 1 through 15 were each written on individual pieces of p…
E. $\frac{8}{15}$
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sum decimals find a pattern and then complete the figure. .01 .02 .02 .…
# Explanation: ## Step1: Identify the pattern Looking at the hexagon structure, we observe that each number (except those in the first row) is the sum of the two numbers directly …
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sum decimals find a pattern and then complete the figure. .01 .02 .02 .…
First number in the 20th row: \(0.20\) First number in the 101st row: \(1.01\)
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median ages of first marriage for men and women in the united states an…
A. Between 1970 and 2000, the median age of first marriage rose more sharply for men in England and Wales than it did for men in the United States.
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challenge suppose you have a bag with 100 letter tiles in it and 19 of …
- \( P(B) \) as a fraction: \( \boldsymbol{\frac{2}{5}} \) - \( P(B) \) as a percent: \( \boldsymbol{40\%} \) - More likely from the bag with 300 letter tiles (the second bag desc…
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read lines 25–31 from the scene (25) than wishest should be undone. hie…
D. witchcraft
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you might need: calculator a wild turkey can run a distance of 140 feet…
B. 35
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in an 8-minute long game, a professional video game player performed a …
C. 300
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ratios, rates, and proportions: foundations susan owns 20 board games a…
D. \( 5:2 \)
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elsie was a solo performer for 4 of the 15 years she was a professional…
B. \(4:15\)
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kaylee works in an office building across town. to get to that office i…
The bottom-left graph (third graph, with a starting high distance, gradual and stepped decreases ending at 0)
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during a mayoral election, candidate a spent $960,000 on her campaign, …
B. 4 : 3
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enzo saw 72 theater productions last year, of which 20 were musicals. w…
D. 5 : 18
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at the petting zoo, gabby watches a small goat as it plays on the goat …
Top-right graph (the second graph in the grid, with a slow ramp climb, a small flat low platform, a sharp step up to a higher flat platform, then a sharp drop to 0 height)
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martha is going to ride the ferris wheel at the state fair. she climbs …
The bottom-right graph (smooth, 3 repeating peaks with troughs above the time axis)
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how does the timeline on page 283 contribute to the overall meaning of …
C. By showing important dates in the country's history for voting.
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when diego was a child, he and his dad planted a small apple tree. for …
The bottom-left graph (showing a steep upward slope first, then a slower upward slope)
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donald wants some lemonade. he fills a pitcher with water before mixing…
The top-left graph (with the sequence: increasing liquid, constant liquid, decreasing liquid, constant liquid)
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true or false: every set of bivariate data will include an outlier. a. …
B. False
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bernie is practicing the 100 - meter dash on the straight portion of hi…
The left graph (starting at 0, rising to a peak, then falling back to 0 on the time axis)