統計與機率
資料分析、機率分佈、假設檢定與統計方法。
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number 4 3 2 1 0 50 - 59 60 - 69 70 - 79 80 - 89 90 - 99 grades the his…
The histogram has a peak.
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which statements about the box plot are correct? check all that apply. …
- Fifty percent of the data values lies between 34 and 46. - It is unlikely that there are any outliers. - The range is 36.
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alicia received the following seven scores on her math assignments. 80,…
Mean = 77, Median = 90 the median
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edward works at a grocery store. he kept track of the number of coupons…
The first dot plot labeled "Number of Coupons Redeemed by Each Shopper" (with 8 dots at 0, 3 at 1, 3 at 2, 5 at 3, 0 at 4, 1 at 5)
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which statement is true about the box plots? number of incorrect questi…
Neither the ranges nor the interquartile ranges for the data sets are the same.
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what is the range of the data below? box - plot image with number line …
13
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14. one plumber charges a trip fee of $135 and an hourly rate of $105. …
The ordered pair (4, 555) means that when 4 hours of plumbing work are done, both plumbers charge a total cost of $555.
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which box plot correctly displays the data set with a maximum of 48, a …
The first (topmost) box plot, with whiskers at 27 and 48, box edges at 32 and 45, and median line at 36.
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5.10) ______ why did the puritans establish the massachusetts bay colon…
B. They desired to create a society based on biblical ideas free from interference by the king. ### 5.11
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mrs. ramos’s class number of pets which statement correctly compares th…
The mean for Mrs. Ramos's class is about 1 more than the mean for Mr. McIntyre's class.
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the data set represents the total number of tickets each person purchas…
1.5
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anikas test scores are shown below. anikas test scores which statement …
The data is more widely spread for Lorenzo's scores than for Anika's.
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test scores ms. dobsons class district - wide 0 10 20 30 40 50 60 70 80…
A. Ms. Dobson's class has a smaller range of scores. B. The district has a greater interquartile range. C. Fifteen is an outlier for the district's scores.
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plot a 0 1 2 3 4 5 6 7 8 9 10 plot b 0 1 2 3 4 5 6 7 8 9 10 which state…
There is a gap in Plot A, but not in Plot B.
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justin packed two suitcases for his trip and compared the weights of th…
The data for suitcase 2 have a greater median than the data for suitcase 1.
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inches girls heights 40 41 44 46 48 50 52 54 56 58 60 inches which is a…
Most of the data in each plot are greater than 48.
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1, 1, 5, 5, 7, 8, 8, 10, 12 which box plot correctly represents the dat…
The first box plot (topmost option, with whiskers from 1 to 12, box from 3 to 9, median at 7)
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consider the two data sets below: data set 1: 19, 25, 35, 38, 41, 49, 5…
The data sets will have the same values for their interquartile range.
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use the data on the dot plot to answer the question. how many hours did…
13
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which data set has an outlier? 6, 13, 13, 15, 15, 18, 18, 22 4, 4, 4, 8…
4, 4, 4, 8, 9, 9, 11, 18
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a data set has a median of 12, an upper quartile of 15, a lower quartil…
A line dividing the box will be at 12.
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the shapes of which plots, if any, show an outlier? options: - both mid…
Middleton only
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the data set represents the number of minutes dan spent on his homework…
The correct box plot is the one with: - Left whisker at 30, right whisker at 57 - Left box edge (Q1) at 35, right box edge (Q3) at 53.5 - Median line at 46 (This corresponds to th…
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jacob has golf scores of 120, 112, 130, 128, and 124. he wants to have …
94
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which is a statistical question that you can ask to learn about your cl…
C. How many students like The Lord of the Rings as their favorite movie?
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leveled practice in 1–4, fill in the boxes. 1. \\( \\overline{42\\vert …
For problem 1 (\( 9216 \div 42 \)), the quotient is \( 219 \) (remainder 18). So the box should have \( 219 \). (Note: If the problem is different, please clarify the exact divisi…
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when comparing the shape of the two sets of data, what conclusion can s…
D. Both sets of data have the same shape.
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lydia collected two sets of data. set 1\tset 2 17\t81 13\t80 18\t94 51\…
Set 1 contains an outlier. The outlier is 51.
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nora wants to find her average grade in her science class. she has earn…
90%
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practice reasoning about multi - step equations - study how the example…
The equation is \( 2n + 14 = 30 \), and the value of \( n \) is 8. ### Problem 2
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which descriptions of a histogram are true? check all that apply.. □ a …
C. A peak is where the frequency is the highest. D. A cluster is a group of bars, meaning the frequency is higher in these intervals. E. A peak is a bar that is higher than the ot…
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solving problems involving percent change find the percent change and t…
1. Disminución del 25% 2. Aumento del 50% 3. Disminución del 12% 4. Disminución del 65% 5. Aumento del 35% 6. Aumento del 30% 7. Aumento del 43% 8. Aumento del 16.7% 9. Se trata d…
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3. a parents group was concerned that there were too many commercials s…
Mean: $6.59$ $\sigma^2$: $1.5019$ $\sigma$: $\approx1.2255$ ## Interpret the mean: On average, there are 6.59 commercials shown during children's programs. ## Group correctness: T…
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read the excerpt from their eyes were watching god. to her way of think…
to get to know
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what is meant by the term \intelligent planet\ as it is used in \the in…
It suggests that artificial technologies will develop the ability to reason.
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read the excerpt from richard wrights black boy. hunger stole upon me s…
to realistically portray the struggles he endured as a child
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13. a ski jacket has been marked down on three occasions, first 20% off…
70%
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read the excerpt from neil degrasse tysons \death by black hole.\ but t…
relating the information to something familiar.
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in general, what conveys meaning in a poem? ○ the attitude a poet has a…
D. the ideas expressed in a poem.
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at a school, an office has 7 chairs. a classroom has 3 times as many ch…
21
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the temperature was very cold. then the temperature doubled. then the t…
-7 degrees
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keisha drove 10 miles. kareem drove 4 more miles than keisha. how many …
14
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read the problem. 50% of merediths shoes are sneakers. if she has 10 pa…
20 The correct model is the yellow bar (bottom one), where 50% corresponds to 10, and 100% (the total) is the unknown value.
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read this statement from an argumentative speech. the 15 percent increa…
facts and statistics
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read the problem. carla spent a total of 50 minutes making a loaf of ba…
Correct model: The top bar graph (0 to 50, unknown at 20%) 10 minutes
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read the excerpt from \mother tongue.\ lately, ive been giving more tho…
Tan discusses her mother's use of English to build the idea that a form of language can be purposeful and meaningful even if it is nonstandard.
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twenty miles from the city a pair of enormous eggs, identical in contou…
a sense of artificiality in the world the narrator finds himself in.
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the price of gasoline purchased varies directly with the number of gall…
34.5
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9. arjay was thinking of buying a car worth $23 000, but delayed purcha…
a) $\$23736$ b) $\$26109.60$
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divide. 1.24 ÷ 1000
\(0.00124\)
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a car travels 60 miles an hour. how far will it travel in 5 hours? ____…
300 miles
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an animal shelter wants to track its profit for each animal that is ado…
$y = 65x$
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7. a herd of 100 caribou was moved to a new location. the population in…
a) 132
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read the excerpt from judith ortiz cofer’s poem “el olvido.” a bare, co…
establishing the meaning of words in English and Spanish
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6. a store discounted items by 50% off the original price one week. the…
$\$38.25$
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3. what is the result of $(3.6 \\times 10^5) \\times (2.5 \\times 10^2)…
d. \( 9.0 \times 10^7 \) ### Question 4
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the phrase \general good\ means the benefit of most people, not a small…
popular vote
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the phrase \general good\ means the benefit of most people, not a small…
the majority (or "most people", based on the text's definition that it's for the benefit of most people, not a small elite)
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the phrase \general good\ means the benefit of most people, not a small…
Monarchy is rule by a single monarch (or one leader) with absolute power, where laws are made by rich nobles, and it is a form of government different from the majority - rule sys…
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check your understanding practise for help with #4 and #5, refer to exa…
$\$38.04$ (rounded to nearest cent) --- ### Problem 5
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complete the inequality statement. 64% ____ \\(\frac{13}{20}\\) \\(\\ci…
< \( \) >
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express 11% as a fraction in simplest form. options: 1/11, 100/11, 1/9,…
D. \(\frac{11}{100}\) (assuming the options are labeled A, B, C, D with D being \(\frac{11}{100}\))
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express 175% as a fraction in simplest form. - $\frac{4}{7}$ - $\frac{1…
The correct option is \(\frac{7}{4}\) (the third option in the given choices, i.e., the option with \(\frac{7}{4}\)).
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mario has a new job selling electronics. he can choose between two diff…
First Choice Salary: \( \$576 \) Second Choice Salary: \( \$640 \) ### Question 2
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express 34% as a fraction in simplest form. 17/50, 34/100, 8/25, 3/4
A. \(\frac{17}{50}\)
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11. determine an equation that models the relationship between each set…
a) $y=1.9x+12.5$ b) $b=-1.5a+3.5$ c) $t=0.1v+10.0$ d) $p=5.6m-12.4$
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name: 1. there are 20 students in jason’s homeroom. 80% of the students…
16 ### Problem 2
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case 5 - engel v. vitale the supreme court decided that the prayer did …
(Opinion - based, example given) I agree with the Supreme Court's decision. The First Amendment's Establishment Clause is meant to prevent the government (here, the public school …
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case 4 - j.d.b. v. north carolina this case (j.d.b. v. north carolina) …
(Example of an agreeing stance) I agree with the Supreme Court’s decision. Minors, like J.D.B., lack the same level of maturity and legal understanding as adults. The Court recogn…
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a taxi driver charges $2 per mile. y = 2x use the direct variation equa…
16
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a student can read 30 pages per hour. y = 30x use the direct variation …
45
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a sprinkler uses 3 gallons of water per minute. y = 3x use the direct v…
45
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a sprinkler uses 3 gallons of water per minute. y = ?x complete the dir…
3
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12 big marbles are 24 g heavier than a bag of small marbles that weighs…
Each big marble is 26 grams heavy.
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estimate the product. model 2,971×312 → 3,000×300 = 900,000 1. 4,912×68…
\( 3,500,000 \) ### Problem 2: \( 2,115 \times 437 \)
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write an expression for the nth term of the following sequences: (assum…
The \( n \)-th term is \( \boldsymbol{a_n = 4n - 1} \) ### Problem 27: Sequence \( 1, \frac{-1}{2}, \frac{1}{6}, \frac{-1}{24}, \frac{1}{120}, \dots \)
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when selecting evidence to support a claim, which types are the most re…
A. quotes from experts on the topic, D. facts and statistics
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select the word that means shows in words and images. the 2010 film the…
portrays
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select the word that means public disagreement. some people argue that …
controversy
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select the word that means flooded with water. hurricane katrina hit th…
deluged
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vocabulary unit 8 - set b 1. write the definition of the words you alre…
To complete this vocabulary assignment, we'll address the word analysis and sentence creation: ### **Word Analysis (Filling the Table)** Let’s clarify definitions/synonyms/antonym…
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select the word that means a formal written request. susan b. anthony s…
petition ### Second Sub - Question (This part seems to be a text about Susan B. Anthony and the abolition of slavery, but no specific question is asked. If we assume a question li…
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select the word that means sticks out. the narwhal is a type of whale t…
protrudes
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8. the original price of a jacket was $86. a store manager marked the p…
The price was reduced by $32.25.
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8. the original price of a jacket was $86. a store manager marked the p…
The price was reduced by $32.25.
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percent fraction decimal 1. 1\\frac{7}{8} 2. 0.18 3. 2% \\frac{2}{100} …
Let's solve each row one by one (we'll take row 1 as an example, and you can follow the same method for others): ### Row 1: #### Step 1: Convert the mixed fraction to an improper …
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tyronne has a collection of 33 different marbles. morris has 45 more ma…
Morris has 78 marbles. The total number of marbles Tyronne and Morris have together is 111.
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the table shows the relationship between the length, in inches, of a re…
# Explanation: ## Step1: Set up the equation We need to solve \( l^{3}-l^{2}+l + 2.5=11\) for \( l\). First, rewrite the equation as \( l^{3}-l^{2}+l+2.5 - 11=0\), so \( l^{3}-l^{…
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the table shows input and output values for a cubic function. what is a…
A zero can be found between input values of \(\boldsymbol{-1}\) and \(\boldsymbol{0}\) because the sign of \( f(x) \) changes from negative to positive ( \( f(-1) = -0.5 \), \( f(…
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7. two hundred tickets are being sold for a school draw. a) if you buy …
\( 0.5\% \) ### Part (b)
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question 7 (1 point) saved the july temperatures in toronto is uniforml…
50% ### Question 8
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question 6 (1 point) which of the following normal distributions have t…
The Blue Curve
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question 5 (1 point) which statement is true for a normal distribution?…
Outcomes near the middle of the distribution are more likely than outcomes far from the middle
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question 3 (1 point) total area under the curve for any normal probabil…
1 ### Question 4
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in a standard normal distribution, p(x>0.42)= 0.3372 0.2547 0.6354 0.62…
0.3372 ### Question 2
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4. compare the costs of two tablet computers. in addition to the cost o…
Brand B has a lower monthly data fee. The cost equation of a tablet (including monthly data fee) is in the form \( y = mx + b \), where \( m \) is the monthly data fee. For Brand …
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4 a small bus charges $3.50 per person for a ride from the train statio…
Inputs: Integers from 3 to 10 (3, 4, 5, 6, 7, 8, 9, 10). Outputs: \( 3.50\times3 = 10.50 \), \( 3.50\times4 = 14.00 \), \( 3.50\times5 = 17.50 \), \( 3.50\times6 = 21.00 \), \( 3.…
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estimate 12 × 485. first, round each factor. 12 rounds to 10. 485 round…
round
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represent systems by graphing use the graph comparing the cost of two l…
Brand B (with the cost equation \( y = 25x + 200 \)) costs less over 8 months. The total cost for Brand A is \(\$500\) and for Brand B is \(\$400\).
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3. the table below shows the relationship between the amount of candy b…
### Problem 3: $\frac{1}{2}$ ### Problem 4: | Gallons Consumed | 2 | 4 | 7 | 8 | 10 | 12 | |-------------------|---|---|---|---|----|----| | Miles Driven | 54 | 108 | 189 | 216 | …