Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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2. is the mean greater than, less than, or equal to the median? greater…
greater than
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as part of a statistics project, charlie would like to collect data on …
D. Both (a) and (c) are correct.
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success criteria i can calculate the rate of change from a graph i can …
Slope refers to the rate of change between the points on a line. For the 4 types of slope: - Positive slope: y - values increase as x - values increase. - Negative slope: y - valu…
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practice 1b score: 24.67/50 answered: 17/25 question 18 a city council …
Simple random sampling
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read the excerpt from \youth activism and animal rights.\ in addition t…
to emphasize the dedication and generosity of young activists
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match the name of the sampling method descriptions given. situations - …
1. d. Stratified 2. c. Convenience 3. a. Cluster 4. e. Systematic 5. b. Simple Random
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1. is the mean greater than, less than, or equal to the median? greater…
greater than
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read the excerpt from \justin lebo.\ on the way home, justin was silent…
D. There are not enough bicycles for the residents of the Kilbarchan Home for Boys
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practice 1b score: 16.67/50 answered: 13/25 question 14 in a study, the…
nominal
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analysis questions directions: answer the following questions and suppo…
Without the actual text for reference, a specific answer cannot be provided. One would need to refer to the relevant paragraphs in the given text to determine the meaning of the c…
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practice 1b score: 14.67/50 answered: 12/25 question 13 i want to exami…
A. Engine size
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which of the following means to put on the uniform? entrenarse ponerse …
Ponerse al uniforme
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30, anderson (1999) was interested in the effects of attention load on …
a. Mean: $9.1$, Median: $5.5$, Mode: $4$ b. Positively skewed c. The median is a more robust measure of central tendency in a skewed distribution as it is not affected by extreme …
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practice 1b score: 9/50 answered: 8/25 question 9 two statistics studen…
All UCLA graduate student apartments in this group of seven buildings.
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practice 1b score: 7/50 answered: 7/25 question 8 because of the diffic…
Length, Weight, Neck Size
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the faculty senate at a large university wanted to know what proportion…
a. all the students at the university. b. all the students enrolled in a statistics class. c. Even though the sample is random, it is not representative of the population of inter…
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find and interpret f(9). f(9) = , which means that 9 years after the or…
$f(9)=0$, which means that 9 years after the original purchase, the refrigerator is worth $\$0$ in resale value.
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select the correct answer. read the adapted excerpt from \cats: their p…
B. According to my survey, cats are generally trustworthy and only tend to steal when they haven't been cared for appropriately (Stables)
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16. a sample of n = 5 scores has a mean of m = 12. if one new score wit…
$\frac{77}{6}\approx12.83$
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practice 1b score: 5/50 answered: 5/25 question 6 a ______ (in its most…
sample survey
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in a study, the data you collect is number of surveys completed and ret…
discrete quantitative data
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determine whether the value is a parameter or statistic. a sample of me…
B. Statistic
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adapted except from art and the handicraftsman by oscar wilde. that the…
"the beauty of art is no mere accident of human life, but an absolute necessity (Wilde)"
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to abuse ye, an to scorn ye. — an to plunder ye like sin. the war had b…
Anti-war sentiment during the 1846 U.S.-Mexican War included Thoreau's tax resistance and "Civil Disobedience," the American Anti-Slavery Society opposing slavery expansion, Lowel…
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e. 1. what situation is represented by the table? tickets sold | money …
1. A fundraising situation where money is raised by selling tickets. 2. 22.5 3. For each additional ticket sold, the amount of money raised increases by $22.5.
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as part of a statistics project, a teacher brings a bag of marbles cont…
1. Experiment 2. The 1000 marbles in the bag 3. The 200 marbles drawn by the student
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practice 1b score: 0/50 answered: 0/25 question 1 two statistics studen…
All UCLA graduate student apartments in the three sampled buildings.
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9. a population of $n = 7$ scores has a mean of $mu = 13$. what is the …
For question 9: 91 For question 10: 6
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the footprints of time by charles bancroft (excerpt from section vi. th…
C. The Romans valued organization and order in all parts of the government.
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select the correct text in the passage. which detail best develops the …
She [Rome] had a genius for producing and preserving a constitution, adding to it by slow degrees, maintaining checks and balances that preserved the machinery in working order
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lives of the noble greeks and romans by plutarch (excerpt) plutarchs li…
including dramatic elements, like dialogue and stage directions
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problems 1. a sample of $n = 9$ scores has $sum x=108$. what is the sam…
12
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what is the purpose of the concluding section of a text? select the two…
To summarize the text, to present evidence and statistics to support the claim
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problems 1. a sample of n = 9 scores has σx = 108. what is the sample m…
1. 12 2. 6 3. 4.5 4. 7 5. (No calculation possible with given information)
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3.2 measures of spread: empirical rule the acme company manufactures wi…
a) 24 ounces, 84 ounces b) 97.35%
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3.2 measures of spread: empirical rule the acme company manufactures wi…
a) 46, 70 b) 81.5 c) 99.5
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question 15(multiple choice worth 1 points) (06.03 lc) simplify $\frac{…
$-\frac{a^{2}}{6b^{3}}$ (corresponding to the second option in the multiple - choice list, assuming the second option is meant to be $-\frac{a^{2}}{6b^{3}}$ as the formatting in t…
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the physical plant at the main campus of a large state university recie…
49.85
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in a mid - size company, the distribution of the number of phone calls …
68
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harisarman indian fairy tale there was a certain brahman in a certain v…
B. It drives home the idea that one's behavior can have unintended effects.
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“payah kun,” said the eldest magician, meaning, “that is quite right”; …
"Ho! Fisher of the Moon, are you playing with the Sea?"
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“payah kun,” said the eldest magician, meaning, “that is quite right”; …
D. whimsical
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“payah kun,” said the eldest magician, meaning, “that is quite right”; …
The imagery emphasizes the compassion and authority of the Eldest Magician.
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the scatter plot below displays the ages of a group of students and the…
The scatter plot shows several clusters of data.
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read the excerpt from \the crab that played with the sea.\ he went nort…
the repetition of words and patterns the use of animals to tell a magical story
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find the systolic blood pressure for men that represents: (e) the 90th …
4. $x = 34.75$ 5. $x = 12.3$ 6. $z=-0.84$ 7. $z = 0.40$ 3. Lower bound height: 66.18 inches, Upper bound height: 73.51 inches
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why is fossil water considered a non - renewable resource? answer in co…
1. Fossil water is considered a non - renewable resource because it is ancient groundwater that is recharged at an extremely slow rate, much slower than the rate of its usage, and…
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you want to learn about the ferris - wheel riding habits of people, so …
Yes, it is a statistical question because there will be variability in the responses (different people will have ridden the Ferris - wheel a different number of times).
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you asked amusement park visitors the question how many amusement parks…
a number line from 1 to 5
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understanding a dot plot times riding a roller coaster you asked amusem…
3
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more than 340 million people visit theme parks each year. do you think …
How many times did you ride a coaster today?
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because all normal distributions are the same when we standardize, we c…
70.54%
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1) what percent of data is below a z - score of 0.54? standard normal c…
70.54%
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examples: percentages to raw data 7) on the most recent test, a student…
$84.625$
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examples: percentages to raw data 7) on the most recent test, a student…
7. The student's score is 84.625. 8. The minimum price is $7290$ and the maximum price is $9222$.
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examples: percentages to raw data 7) on the most recent test, a student…
84.625
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question 1/4 under the articles of confederation, the meaning of the wo…
A. country...like France or Spain
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8. the graph shows the amount of savings over time in elianas account. …
Lana is saving at the greater rate.
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the stick game, played by various native american tribes, involves drop…
The table with probabilities $\frac{21}{50},\frac{18}{50},\frac{6}{50},\frac{5}{50}$ for point - values 2, 3, 5, 10 respectively.
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a dealer finds that the average price of a previously owned vehicle is …
The minimum price is $\$7290$ and the maximum price is $\$9222$.
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as the boy grew to be a teenager, he became more defiant with his mothe…
The boy began to disobey his mother.
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the coded log book proved decipherable with the help of a few simple eq…
C. able to be understood
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dc stats chp1 & chp2 sections 2.1 - 2.3 fall 2025 1. consider the follo…
a. 5 - number summary: $0,3,5,7,32$; Mean: $9.2$ b. Range: $32$; IQR: $4$
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the testing times for a group of college students were normally distrib…
68% of testing times were between 27.5 minutes and 32.5 minutes. 95% of testing times were between 25 minutes and 35 minutes. 99.7% of testing times were between 22.5 minutes and …
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leveled practice for 6 and 7, complete the information to compare the 6…
For question 6: Sam's unit rate: 10; For Bobby, use (1,12) and (2,24); Bobby's unit rate: 12; Bobby For question 7: Pauli's Pizzeria: 15; Leo's Pizzeria: 10; Pauli
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3.2 measures of spread: empirical rule the army finds that the head siz…
1. 21.7, 23.5 2. 20.8, 24.4 3. 19.9, 25.3
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amir records the number of customers who order hummus at his mediterran…
15
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question 13 6.67 pts how did notable abolitionists william lloyd garris…
Each abolitionist used stories and their “voice” to educate and inspire freedom for enslaved people.
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chapter 3.2 homework score: 51/102 answered: 20/33 question 21 3.2 meas…
1. 64.5, 69.5 2. 62, 72 3. 59.5, 74.5
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students at javis school perform community service hours by volunteerin…
50%
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3.2 measures of spread: empirical rule the mean gpa for 50 students was…
The percentage of data that occurs within one standard deviation of the mean should be 68%. The percentage of data that occurs within two standard deviations of the mean should be…
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the idiom \from the horses mouth\ means \from a source with personal kn…
B. It creates a whimsical mood because the phrase suggests that the horses are suddenly able to speak.
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rearrange the sentence below to remove any wordy sections. do not chang…
There are negative consequences of human cloning that outweigh the potential benefits.
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were ratified by the states. they became the first ten amendments to th…
1. D. Approve or pass an amendment 2. B. Carry out a law 3. E. System where the national government shares power with state governments 4. C. A representative form of government 5…
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rearrange the sentence below to remove any wordy sections. do not chang…
It is important that T.V. networks require shows to cast characters of various body types.
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3.2 measures of spread: standard deviation and variance to determine if…
The mean pain level (VAS reading) before Reiki treatment is higher than the mean pain level after the treatment. The data points for pain levels before Reiki treatment are more sp…
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rearrange the sentence below to remove any wordy sections. do not chang…
Facebook's privacy policy should prohibit parents from sharing photos of their underage children.
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rearrange the sentence below to remove any wordy sections. do not chang…
Video games are the highest forms of art because they are interactive.
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4. mens weights are normally distributed with a mean of 180 pounds and …
a. $2.4$ b. $3$ c. The female student's weight is more extreme because her Z - score of 3 has a larger magnitude than the male student's Z - score of 2.4.
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chapter 3.2 homework score: 38/102 answered: 12/33 question 13 3.2 meas…
The mean pulse - rate after running in place for one minute is higher than the mean pulse - rate before exercise. The standard deviation of pulse - rates after running in place fo…
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what does the word acrimonious mean? prone to biting or attacking highl…
angry or bitter in words or behavior
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rearrange the sentence below to remove any word - section. do not chang…
Driverless cars may present more risks than benefits.
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multiple - choice question consent of the governed means that the power…
the power to govern is in the hands of the people; if there's a government, it's because the people allow it to exist.
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rearrange the sentence below to remove any wordy sections. do not chang…
It is Farquaad's obsession with perfection that stems from his deep insecurity.
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rearrange the sentence below to remove any wordy sections. do not chang…
Because Thomas helped design the Maze, he is one of the story's villains.
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rearrange the sentence below to remove any wordy sections. do not chang…
English teachers should integrate modern communication styles like Tweeting and texting into their classes.
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environment are shown in the table. teenage driving | | daily | sometim…
30
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rearrange the sentence below to remove any wordy sections. do not chang…
Despite the rise of word processors, learning cursive benefits young students.
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question 1 of 5 select all the correct answers. which data sets could b…
4, 11, 8, 12, 1, 6, 14; 6, 8, 11, 1, 7, 14, 10; 14, 10, 6, 9, 11, 8, 1; 10, 6, 9, 14, 1, 6, 12, 7
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what does the coexistence of islam and traditional religions in west af…
Cultural integration occurred through selective adoption and blending
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the following text is adapted from nathaniel hawthornes 1837 story dr. …
D. An extraordinary
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quiz question 1 of 6 what does \pay yourself first\ mean? select a resp…
Put money in your savings account before you pay other expenses
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several state governments tried to raise money by printing extra curren…
Cause 1: The Articles did not say only Congress had the power to coin currency. Cause 2: States could print their own money, leading to different state - specific currencies. Caus…
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starting at noon, michael observed the amount of snow on his lawn durin…
The amount of snow on the lawn at 12:01 p.m.
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wyatts math teacher finds that theres roughly a linear relationship bet…
The number of hours a student should spend on their homework to expect a score of 82 on the quiz.
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“before he knew where he was, they had startled the constellations and …
B. inactivity
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where x is the temperature, in degrees fahrenheit (°f), and y is the nu…
The slope of the linear model represents an expected change of 3.3 people for every 1 - degree Fahrenheit increase in temperature. Based on this linear model, when the temperature…
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otavio good created a useful phone app. it assists those who are not fa…
B. translates
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read this sentence from passage 1. \the hours came forth to harness the…
C. joy
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unit: learning across disciplines progress the movement of the progress…
"The design offers a space - saving feature as well—circular stairs and ramps take up less space than traditional horizontal structures." (paragraph 7)