統計と確率
データ分析、確率分布、仮説検定、統計手法。
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do the ratios 9:6 and 6:4 form a proportion? yes no
yes
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do the ratios \\(\\frac{5}{7}\\) and \\(\\frac{1}{2}\\) form a pro\ \ \…
no
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d round each amount to the nearest dollar. 1 $5.39 2 $7.49 3. $10.51 4.…
s: ### Rounding to the nearest dollar: 1. $\$5.39\approx\$5$ 2. $\$7.49\approx\$7$ 3. $\$10.51\approx\$11$ 4. $\$19.89\approx\$20$ ### Place - value: 1. In 43,675, the place value…
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4. how did the printing press impact martin luther? 5. how did the refo…
The printing press enabled the mass production and wide distribution of Martin Luther's writings (e.g., 95 Theses, theological works), rapidly spreading his Reformation - related …
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what is the best estimate for 7,002 ÷ 4? a 1,750 b. 2,000 c. 175 d 700
A. 1,750
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do the ratios \\(\\frac{1}{2}\\) and \\(\\frac{8}{16}\\) form a proport…
yes
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do the ratios \\(\\frac{1}{3}\\) and \\(\\frac{8}{9}\\) form a proporti…
no
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if your company has very few competitors but strong demand, that means …
C. High
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on average, it takes you 15 minutes to pack one box at the warehouse wh…
B. $2\frac{1}{2}$
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at the fabric store where you work, a customer wants to buy 9\\(\\frac{…
C. \$9.31
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find 2.8 ÷ 4. 2.8 now, write the quotient as a decimal. 2.8 ÷ 4 = 28 te…
\(0.7\)
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solve for r in the proportion \\frac{396}{r} = \\frac{220}{50} r = \\sq…
\(90\)
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question 7 points 4 write an example of an idiom. explain the idiom in …
"Break a leg" is an idiom. It means to wish someone good luck, especially before a performance.
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solve for t in the proportion. \\frac{620}{744} = \\frac{420}{t} t = su…
\(t = 504\)
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below is the table of values of a function. write the output when the i…
The output when the input is \( n \) is \( 4n \).
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solve for r in the propo \\(\\frac{r}{800} = \\frac{234}{288}\\) \\(r =…
\( r = 650\)
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what is autobiographical art? a. artwork expressing something about the…
A. Artwork expressing something about the artist’s life.
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if the best measure of center for a given data set is the mean, then wh…
The data distribution is not skewed. (Assuming the first option is the correct one based on the analysis. If the options are labeled, for example, if the first option is A, then t…
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you work on an assembly line. for the next production run, you need to …
C. 0.75
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what method of art analysis considers the underlying unconscious meanin…
A. Psychoanalysis
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if the mean is 20, then choose a correct interpretation of the mean bel…
The average of the data is 20.
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write the following ratio using two other notations. \\(\\frac{7}{9}\\)…
Notation one: $7:9$ Notation two: $7$ to $9$
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solve for t in the propor \\(\\frac{24}{t} = \\frac{56}{70}\\) \\(t = \…
\(30\)
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solve for r in the proportion. \\frac{92}{r} = \\frac{69}{24} r = \\squ…
\(32\)
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saria bought an mp3 player on sale for 30% off the regular price. saria…
$42.50$ (corresponding to the option with $42.50$)
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solve for z in the propor \\frac{26}{28} = \\frac{91}{z} z = \\square s…
98
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louis borrowed $500 from his bank. his bank will charge louis 8% simple…
$\$520$ (corresponding to the option with $\$520$)
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solve for d in the proportion \\frac{4}{d} = \\frac{20}{40} d = \\squar…
8
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in relation to art, marxism is a. is the influence the gender of both t…
B. the method that interprets artworks in the light of their economic and social contexts.
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as a package handler, you submit timecards that show the hours you work…
B. 5
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(a) at what time does the amount of water in the aquarium reach 0 liter…
(a) 5 minutes (b) As time increases, the amount of water in the aquarium decreases; 60 liters per minute (Note: If the graph's actual slope is 90, maybe my analysis is wrong, but …
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a literary symbol is an object that takes one or more meanings beyond i…
C. figurative
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in the 2009 - 2010 baseball season, dylan hit the ball 48 out of the 60…
20%
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question 2 of 5 the ratio of used books to new books in a bookstore is …
The statement "For every 7 used books in the bookstore, there are 4 new books." is true. So we check that option.
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solve for b in the proportion. \\frac{50}{20} = \\frac{b}{2} b = \\squa…
5
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milo is deciding whether to join gym a or gym b based upon each of thei…
The equation for Gym A is \( y = 1.25x + 2 \), for Gym B is \( y=0.75x + 4 \). They cost the same at \( x = 4 \) hours (cost \( \$7 \)), Gym A is cheaper for \( x<4 \), Gym B is c…
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the production line where you work can assemble 5 amplifiers every 30 m…
B. 12 hours 30 minutes
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question 1 of 5 write the following ratio using two other notations. 3 …
Notation one: \(\frac{3}{1}\) Notation two: \(3/1\)
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unit 4 bellringer #1 #1 student name: number of questions: 5 question 1…
Notation one: \(\boldsymbol{\frac{3}{1}}\) Notation two: \(\boldsymbol{3}\) to \(\boldsymbol{1}\)
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the graph represents the balance in imena’s checking account based on t…
7. True 8. True 9. False
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grade 7 data literacy mid–chapter quiz total: 1. pets co. had a huge sa…
(for part a table): | Category | Frequency | Relative Frequency (%) | |----------|-----------|------------------------| | Birds | 5 | 2.5 | | Cats | 80 | 40 | | Dogs | 95 | 47.5 |…
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2. both graphs have a positive slope. 3. both graphs represent proporti…
True (The relationship is non - proportional) ### Question 8
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exercise 1 john’s father asked him to compare several different cell ph…
Company A: \( \boldsymbol{70 + 20x + 15y + 15z} \) Company B: \( \boldsymbol{90 + 15x + 10y + 20z} \) Company C: \( \boldsymbol{200 + 10x} \)
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football a football field is 160 feet wide and 360 feet long. abby want…
Width = 4 inches Length = 9 inches
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the table represents the amount of coffee in a coffee pot based on the …
4. False; The ratio of \(\frac{y}{x}\) is constant. 5. True 6. False; The table can be represented by \(y = 2.4x\).
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story problems with read carefully and solve. 1. when steve woke up. hi…
\( 99^\circ \text{F} \) ### Problem 2
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what are homographs? explain with an example. note: use your own words …
Homographs are words that are spelled the same but have different meanings. For example, "lead" (a metal) and "lead" (to guide).
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select three ratios that are equivalent to 7 : 6. choose 3 answers: a 1…
B. \(21:18\), C. \(42:36\), D. \(63:54\)
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the point of intersection of the two lines is ______ h. at this point, …
The point of intersection of the two lines is (15, 450). At this point, Beth's earnings will be equal to Roy's earnings, and Beth would have put in 15 extra hours. (The first blan…
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y 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 -5 5 10 15 20 25 30 35…
At 50 miles, the cost for both trucks would be $65.
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4 formula 1 point round 76.0973 to one decimal place answer
76.1
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y = children ticket $5 x + y = 12 $8x + 5y = 81 0.05x + 0.05 = 0.12(81)
Adult tickets: \( \boldsymbol{7} \), Children tickets: \( \boldsymbol{5} \)
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3 formula 1 point round 51.8751 to the tenths place answer
\(51.9\)
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2 formula 1 point round 3.5731 to the hundredths place answer previous
\( 3.57 \)
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what are homophones? explain with an example. note: use your own words …
Homophones are words that sound the same but have different meanings and spellings. For example, "flower" and "flour".
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formula 1 point round 70.545387 to the thousandths place answer
\(70.545\)
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solve each problem. 1) adam and faye were comparing their halloween can…
24 ounces ### Problem 2
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consider a story where the protagonist immediately faces a major crisis…
C. develops the main conflict gradually with increasing suspense
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for parts (a) and (b) below, choose the correct description. fill in th…
Each dollar spent appears to earn the same number of points. Predicted number of points for spending $10: \( 90 \) ### Part (b)
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12 luann is playing a math game. she chooses three cards. the value of …
-14
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the coach recorded the yards gained or lost by his football team during…
11
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129. the scatter plot shows the weight of a person, y, and the week int…
a) The line of best fit is \(y = -2.5x + 160\) (or similar based on point estimation). b) The predicted weight after 12 weeks is \(\boldsymbol{130}\) (units of weight, e.g., pound…
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there are 36 students at elmdale middle school who play on a sports tea…
240
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2. find the unit rate in the graph below. a. 9 miles per hour b. 4.5 mi…
B. 4.5 miles per hour
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the painting above is an example of how an artist can use ____________ …
d. complementary colors
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find the indicated measure. (see example 1) 3. the state of kansas has …
The population density of Kansas is approximately \( \boldsymbol{33.93} \) people per square mile. ### Problem 11:
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8. find the average rate of change on the interval 1,3 | x | f(x) | | -…
20
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a school is filling a tank. the graph shows the amount of water in the …
(a) Statement: "As time increases, the amount of water in the tank increases."; Rate of increase: Let's assume the graph has a slope. If we take two points, say (1, 200) and (0, 0…
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round 7,152 to the nearest hundred.
7200
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a machine at a bakery is pouring out flour. the graph shows the amount …
(a) 630 grams (b) Statement: "As time increases, the amount of flour in the machine decreases." Rate of decrease: 210 grams per minute (For the increasing rate, since the graph sh…
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imperialism test review; directions: define the following key terms in …
A policy of a powerful nation (like Japan in its expansion era) extending control (via colonization, economic/political means) over weaker territories/nations to gain resources, p…
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a list of numbers is shown below. -8.5, 2, \\(\\frac{2}{3}\\), 0, 6, \\…
B. Option Text (the Venn diagram where \(-246\) is in integers, \(0, 2, 6\) in whole numbers, \(2, 6\) in natural (counting) numbers, and non-integer rationals like \(-8.5, \frac{…
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2. georgia recorded her test results in first term below: 75, 68, 73, 9…
Approximately \( 76.17 \) ### Part (b)
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a principal of $2400 is invested at 7.75% interest, compounded annually…
6
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11. unit rate (money per hour) $30 for 2½ hours. a. $10 b. $11 c. $12 d…
C. $12$
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question 12 points 4 what is a hyphen? give an example you haven’t seen…
A hyphen is a punctuation mark (-) used to join words/word parts or clarify meaning. Example: "sister-in-law" (or "self - esteem", "two - year - old").
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a machine at a bakery is pouring out flour. the graph shows the amount …
s: (a) 300 grams (b) Statement: "As time increases, the amount of flour in the machine decreases"; Rate of decrease: 100 grams per minute; Rate of increase: 0 (but since it's decr…
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v. english 12 sem a - a , part 5: characteristics of elizabethan drama …
mischief
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the tragedy of hamlet, prince of denmark act iii, scene ii. a hall in t…
The first excerpt (Hamlet: Is this a prologue, or the posy of a ring? Ophelia: 'Tis brief, my lord. Hamlet: As woman’s love.)
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scientists are measuring a distant planets temperature. the graph shows…
(a) 5 kilometers (b) As the height increases, the temperature decreases. The rate is \(8^\circ C\) per kilometer.
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supplementary materials grade 7 teacher support pack calculating gst an…
The GST amount is \(\$1.75\) ### 2) Calculating GST for plumbing repairs
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4. writing a proportion alex sold 1 hat for every 4 scarves. he sold 12…
A. \(1/4 = 12/x\)
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passage the bowl was perfect. perhaps it was not what you’d select if y…
A. they are not visiting the home for the purpose of noticing decorative objects.
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read the text while observing wildlife, photographers must be very disc…
The correct option is the one labeled "tactful" (the fourth option in the list of choices, represented by the last circular selection button with the text "tactful" next to it).
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analyzing allegory beauty: here at your will we be all ready. what will…
Traits like beauty, strength, and discretion can make life easier.
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the weekly salaries (in dollars) for 10 employees of a small business a…
# Explanation: ## Step1: Analyze the mean change The original sum of salaries: \(539 + 691 + 720 + 772 + 812 + 823 + 837 + 847 + 890 + 1039\). The new sum replaces \(1039\) with \…
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a book sold 32,600 copies in its first month of release. suppose this r…
459155
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the lincoln assassination assassination on the night of april 14th 1865…
Ford’s Theater (the option labeled "Ford’s Theater" among the choices)
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what is the correct etymology of the word homogeneous? derived from the…
derived from the Greek words "homos" and "genos" meaning "same" and "kind" or "race"
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the lincoln assassination assassination on the night of april 14th, 186…
being an actor
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grade 7 measures of central tendency expectation d1.5 1. calculate the …
- **Part (a):** - Mean: \(71\) - Median: \(75\) - Mode: No mode (or all values with frequency 1) - **Part (b):** - Mean: \(142.75\) - Median: \(145.5\) - Mode: \(125\)
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dear students, for those that were not in school today, we continued wi…
Arts - Literature
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at a candy factory, a machine is putting candy into a container. the gr…
(a) 30 pounds; (b) As time increases, the amount of candy in the container decreases. At what rate is the amount of candy decreasing? 2 pounds per minute (assuming the graph has a…
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ojibwe people have always had a relationship with the land they live on…
They must know the right time of year for gathering certain foods.
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scientists are measuring a distant planet’s temperature. the graph show…
(a) 3 kilometers (b) Statement: "As the height increases, the temperature decreases."; Rate: \(\frac{40}{3}\approx13.33^\circ\text{C}\) per kilometer (or \(\frac{40}{3}\) °C per k…
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name: date: grade 7 measures of central tendency expectation d1.5 1. ca…
Mean: \( 71 \), Median: \( 75 \), Mode: No mode (or each value occurs once)
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complete the sentences: using context clues, write the word that best c…
20. Implored 21. Dismal 22. Capricious 23. Braggart 24. Loath 25. Abate 26. Acquire 27. Ensue 28. Word: backward; Sentence: He looked backward to see if anyone was following. 29. …
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which choice correctly identifies the label of the horizontal axis on t…
C. Players
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each of the 6 cats in a pet store was weighed. here are their weights (…
(a) Median: \(10.5\) pounds (b) Mean: \(10.5\) pounds
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available options (3 of 8) one of the more difficult obstacles is finan…
### SENTENCE CONTAINS A COMPARATIVE: - One of the more difficult obstacles is financing development projects. - Some urban leaders consider providing proper utility and sanitation…