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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an electronics store placed an ad in the newspaper showing flat - scree…
a. Mean: $\$1045.75$, Median: $\$1037$ (corrected), Mode: $\$700$ b. The store used the mode ($\$700$) in its ad. It chose the mode because it is the lowest price among the measur…
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practice using the mean and median to describe and compare data sets. w…
- Put the values in numerical order before trying to find the median. - The median is the number in the middle of an ordered set of values. - The median must be calculated by find…
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the scatter plot shows the relationship between the test score, y, out …
\(y = 0.5x+10\) (the first option among the given options, assuming the options are \(y = 0.5x + 10\), \(y=0.5x + 50\), \(y = 2x+10\), \(y = 2x+50\) in order)
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find the mean, median, and mode of the set of values. | age (years) | f…
A. The mode is 13 years.
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c the supreme court reading strategy: taking notes read the supreme cou…
(1) Courts of Appeals (2) District Courts (3) District Courts (4) Courts of Appeals (5) 13 (6) Circuit Courts
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find the mean, median, and mode of the set of values. | age (years) | f…
\(13.71\)
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members of a junior high basketball team want to brag about how tall th…
The team's mean height is \(68\). The team's median height is \(66\). If the team members want to brag about how tall they are, they should use their mean height.
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the judicial branch and articles iv-vii judicial review and treason = c…
### 1. Define: - Unconstitutional: A law/action violating the constitution (e.g., U.S. Constitution). - Treason: Betraying one’s country (e.g., aiding enemies, waging war against …
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use the information given to answer the question. a traveler rents a ca…
The option: "The customer will save exactly $60 by renting a car from Rental Company R instead of Rental Company Q" (the second option in the list, e.g., if options are labeled, i…
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question 11 you wish to analyze a discussion forum post and all of its …
The option: "Use the chatbot to group and label pieces of text into a table. Then use the chatbot to perform further analysis on this table of data."
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this table shows outcomes of a spinner with 3 equal sections colored bl…
Part A: \(0.25\) Part B: \(25\)
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determine whether each of these linear relationships is proportional or…
- \( y = 2x \): Proportional - Table (\( x:2,3,5 \); \( y:4,5,7 \)): Non - proportional - Giraffe growth: Non - proportional - Student walking: Non - proportional - \( y = 20+4x \…
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choose all tables where the ratios of ordered pairs represent a proport…
A, D
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9. \\(\\frac{36}{100} = \\)\ 12. \\(\\frac{7}{100} = \\)\ 15. \\(\\frac…
For $\frac{36}{100}$: $0.36$; For $\frac{7}{100}$: $0.07$; For $\frac{52}{100}$: $0.52$
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1 select the correct answer. what theme is developed in the passage? a.…
B. Acquiring things through dishonest means leads to dissatisfaction
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question 9 of 10 which of the following is the best example of stage di…
D. (The sound of a police siren.)
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question 7 of 10 what does the term beat mean in script writing? a. a m…
C. A brief pause in the dialogue
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kylie is feeding her chicken from a 30-pound bag. the chicken goes thro…
19.5
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representing data with mean and median mr. singh needed to understand t…
The mean test score is \( 69.75 \). The median test score is \( 89.5 \). Which measure of center best represents the test data? median
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given 0.356: a. enter an equivalent fraction in the thousandths enter a…
A. \(\frac{356}{1000}\) B. \(35.6\%\)
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a cookie company uses one cup of sugar for every 35 cookies it makes. l…
\( S = \frac{N}{35} \) (or \( S=\frac{1}{35}N \))
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at the beginning of the summer, there are 9 rabbits living in a field. …
For the first question (35 days after summer starts), the number of rabbits is \(\boldsymbol{14}\). For the second question (when there are 16 rabbits), the time is \(\boldsymbol{…
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7. jae bought a jacket that was on sale for 20% off the regular price. …
The regular price of the jacket was $70.
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find the domain of the function defined by the set of points below. exp…
\(\{-7, -6, -4, -2, -1\}\)
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find the domain of the function defined by the set of points below. exp…
\(\{-6, -5, -2, -1, 7, 8\}\)
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determine the distribution of the data pictured below 1 2 3 4 5 data be…
Skewed-right
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find the range of the function defined by the table below. express your…
\(\{-10, - 7, - 5, - 4, 0, 5, 7\}\)
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jae bought a jacket that was on sale for 20% off the regular price. jae…
The regular price of the jacket was $70.
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choosing the number of outliers match each set of values to its correct…
# Explanation: To determine outliers, we use the interquartile range (IQR) method: \( \text{Outlier} < Q_1 - 1.5 \times \text{IQR} \) or \( \text{Outlier} > Q_3 + 1.5 \times \text…
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at the beginning of the summer, there are 9 rabbits living in a field. …
1. 14 rabbits 2. 7 weeks
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choosing the number of outliers match each set of values to its correct…
# Explanation: To determine outliers, we use the interquartile range (IQR) method. The steps for each dataset are: 1. Order the data. 2. Find the median (Q2), then Q1 (median of l…
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8.6 (part b): this shift in perspective helps the author to con miserab…
'My duty calls!' his silent spirit cried
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for a-d, choose yes or no if the pairs represent the same amount. the d…
A. No B. No C. No D. Yes
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a 11\\frac{3}{4} gallon fish tank contains an unknown amount of water. …
\( 7.95 \)
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a barber shop was charging $4.26 for a bottle of shampoo but raised the…
A. $(4.26 × 6) ÷ 100 + 4.26$
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in what ways does a setting description in a play differ from a setting…
In a play, setting descriptions are often concise, in stage directions (e.g., “A small room, evening”), focusing on practical staging (props, lighting cues) to guide performance. …
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question find the domain of the function defined by the table below. ex…
\( \{ -10, 0, 9 \} \)
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awais ali - percent proportions - pi file edit view insert format data …
20%
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question find the domain of the function defined by the table below. ex…
\(\{-1, 2, 8\}\)
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comparing mean and median instruction active listing steps to find the …
1. Put the numbers in order. 2. Cross off low/high pairs. 3. Add the leftover numbers. 4. Divide the sum by 2.
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question find the domain of the function defined by the table below. ex…
\( \{-5, 1, 3, 4, 5, 6, 8\} \)
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5. a store sells pajamas in two sizes. - size 1 is for people less than…
Size 1
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question find the range of the function defined by the set of points be…
\(\{-10, -7, 3, 8\}\)
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question during a snowstorm, snow fell at a constant rate for a number …
2 inches every 1 hour
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2.34 × 0.2 number of places in each number □ × □ + □ total places neede…
First box: 2, Second box: 1, Third box: 3 (in the respective boxes for number of places in each number and total places needed in answer)
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sort the numbers. 31/50, 0.55, 3/20, 11/25, 0.2, 9/20 less than 40% bet…
Less than 40%: $\frac{3}{20}$, 0.2 Between 40% and 60%: $\frac{11}{25}$, $\frac{9}{20}$, 0.55 Greater than 60%: $\frac{31}{50}$
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finding the median match each set of values to its correct median. 7, 6…
- \(7, 6, 1, 0, 3, 6, 4, 5, 9, 2, 7\) → \(5\) - \(0, 2, 3, 4, 4, 6, 7\) → \(4\) - \(7, 25, 3, 6, 2\) → \(6\) - \(1, 2, 3\) → \(2\) - \(6, 3, 0, 2, 3, 4, 3\) → \(3\)
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one spring day, jordan noted the time of day and the temperature, in de…
It was dropping at a rate of \( 1^\circ \)F every 2 hours.
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3. model with math the scatter plot represents the numbers of hours sin…
### Part a # Explanation: ## Step1: Recall Outlier Definition An outlier is a data point that is far from the main cluster(s) of data. ## Step2: Analyze Scatter Plot Points - The …
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determine the input a number went into this machine and 38 came out. wh…
The input number is approximately \( \boldsymbol{37.72} \) (if we want an exact fraction, \( \frac{15200}{403}\approx37.72 \))
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the average annual cost of attending a public, in - state, four - year …
\$456 (the option with \$456, which is the fourth option if we count the options as: 1. \$326, 2. \$2,280, 3. \$4,152, 4. \$456)
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determine the input a number went into this machine and 36 came out. wh…
90
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one spring day, jamar noted the time of day and the temperature, in deg…
1
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10. the high school dance team has 88 members, and 24 of them also hold…
64
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challenge #4 a number went into this machine and 57 came out. what numb…
40
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you pick a card at random. without putting the first card back, you pic…
$\frac{3}{14}$
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there are 13 boys and 6 girls taking karate lessons. write the ratio th…
\(13:19\) (or \(\frac{13}{19}\))
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you pick a card at random. without putting the first card back, you pic…
$\frac{1}{3}$
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you roll a 6-sided die two times. what is the probability of rolling a …
$\frac{1}{36}$
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you flip a coin twice. what is the probability of getting tails and the…
25.0
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you pick a card at random. without putting the first card back, you pic…
\(\frac{1}{3}\)
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y.3 use dictionary entries to determine correct usage bgx look at this …
The judge was bemused by the defendant's decision to represent himself instead of accepting counsel.
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relatives gave timothy $15, $50, $25, and $18 for his birthday. what is…
\$27
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an art teacher set out some pieces of wood for her students to paint. t…
8 inches
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a recipe calls for 24 ounces of oil and 8 ounces of vinegar. kim is of …
36
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you spin the spinner twice. what is the probability of landing on an od…
\(\frac{2}{9}\)
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question 8 about $5.67811 \\times 10^5$ liters of water flow over niaga…
\(1.791875241e13\)
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what is 20% of 60? 20% of 60 = box with a hand pointing to it
12
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question 7 a mustard seed has a mass of about 0.002 gram. a glass jar c…
\((2\times 10^{-3})\times(4\times 10^{4}) = 8\times 10^{1}\) (the option with this expression)
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you pick a card at random. without putting the first card back, you pic…
\(\frac{1}{7}\)
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the dog by oliver herford 1 the dog is black or white or brown and some…
A. Human People clap their hands. ### Question 2
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question 6 which calculator correctly shows the quotient of \\(\\frac{6…
The calculator with the display \( 1.92559524e+14 \) (the bottom - left calculator among the four shown)
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you spin the spinner twice. what is the probability of landing on a num…
$\frac{3}{16}$
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calculate #2 the original rectangle is 120 centimeters. calculate the l…
33.6 centimeters
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the tape diagram below shows that a helicopter flew 12 miles in 4 minut…
3
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yesterday, nolan started playing a video game called race across time, …
1. If Nolan collects a total of 6 moon rocks today, he will have 180 points: True 2. Nolan earns points at a rate of 5 per moon rock: True 3. Nolan had 155 points before he starte…
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the dog by oliver herford 1 the dog is black or white or brown and some…
B. Dogs jump about and wag their tails. ### Question 2
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you pick a card at random. without putting the first card back, you pic…
\(\frac{3}{14}\)
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sold that week (in kilograms) is graphed. what is jadas rate? choose 1 …
A. 8 dollars per kilogram
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write an equation we can use equations to represent relationships invol…
\( c = 1.21b \)
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4 equation of the trend line: 5 equation of the trend line: 6 equation …
Graph 4: \( y = -0.4x + 8 \) (or \( y = -\frac{2}{5}x + 8 \)) Graph 5: \( y = -0.2x + 8 \) (or \( y = -\frac{1}{5}x + 8 \)) Graph 6: \( y = -6x + 70 \) (approximate, based on the …
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a baker is packing cookies into gift boxes. she places the same number …
\( C = -13.0p + 480 \)
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a nursery sells young palm trees. they guarantee that a palm tree will …
The third option (the one with \( |x - 6| \leq 1.5 \) - represented as \( \boxed{|x - 6| \leq 1.5} \) in the option with the \( | - | \leq \) structure)
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pablos family is on vacation at stony shore lake, and they want to rent…
Base charge: \$30, Daily fee: \$45
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problems 6–9: spiral review determine each product. | expression | valu…
| Expression | Value | |------------|-------| | \(0.72 \cdot 15\) | \(10.8\) | | \(0.72 \cdot 1.5\) | \(1.08\) | | \(0.72 \cdot 0.15\) | \(0.108\) | | \(72 \cdot 0.15\) | \(10.8\)…
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question 2 subtract. what is the difference $(9 \\times 10^{10}) - (4 \…
The first box is \(5\) and the second box is \(10\), so the result is \(5\times10^{10}\).
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amelia is raising money for her school dance. she has already raised so…
The equation is \( R = \boldsymbol{3}c + \boldsymbol{106} \). The amount of money Amelia has already raised by selling bracelets is represented by the \(\boldsymbol{\text{initial …
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select the correct answer darren wants to work in the food service indu…
C. He can focus on applying for the jobs with the most projected growth.
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how can we figure out how to find the difference of numbers written in …
The first option (We can write all subtraction problems as addition problems, even when using scientific notation. - Note: Likely a typo in the option text, should be "subtraction…
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a grade 6 4.8 problem solving: using double number lines and tape diag …
1
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a feather fell 25 feet from a birds nest to the ground at a rate of 8 f…
A. False B. False C. True D. False
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rory works at a produce packing plant. she packed 2,153 strawberries la…
Rory filled \(\boldsymbol{358}\) containers of strawberries. The \(\boldsymbol{\text{quotient}}\) was used as the answer. The last container only has \(\boldsymbol{5}\) strawberry…
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when ringing up a customer, a cashier needs 10 seconds to process the p…
\( t = 5.7p + 10 \)
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choose the sentence that means 14 kilograms > 4 kilograms. 14 kilograms…
C. 14 kilograms is heavier than 4 kilograms.
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about how much energy did russia, india, and japan consume in 2010? wha…
The first? is \(7\) and the second? is \(19\), so the result is \(7\times 10^{19}\)
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a mars rover descended from the rim of a crater at a constant rate. aft…
The rover started at 135 meters. The equation is \(E=-14.5t + 135\)
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the table below shows the score on a test for different numbers of ques…
decreases, 6
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about how much energy did china and the united states consume in 2010? …
\((1 + 1)\times 10^{20}\)
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the tape diagram below shows that grace used 16 coins to buy 2 pounds o…
8
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write the rate as a unit rate. 13. $12.45 for 5 bags
$\$2.49$ por bolsa