Statistik
Datenanalyse, Wahrscheinlichkeitsverteilungen und Hypothesentests.
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please read the following sentences from the text. \these strengths of …
D. encourage or motivate
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linear equations w/ distribution (lev 1) score: 0/5 penalty: 0.25 off q…
$z = 10$
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determine the mean, median, and mode of the unsorted data set given bel…
Mean: $x-\frac{3}{8}$ Median: $x-\frac{3}{2}$ Mode: $x - 2$
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assume that the proportion of voters who prefer candidate a is $p = 0.2…
|$k$|$P(X\leq k)$| |----|----| |$0$|$0.3097$| |$1$|$0.7157$| |$2$|$0.9290$| |$3$|$0.9848$| |$4$|$0.9921$| |$5$|$1.0000$|
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part 3: act fundamentals (extra credit!) extra credit points will be aw…
Mean: $38.875$ Median: $36.5$ Mode: $35$
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the logbook entries of travelers tell about events in the sequence in w…
Date: [Make - up a date like "July 15, 20XX"] Entry: Today, as we were cruising through space, my classmate and I witnessed an incredible sight. The Earth, a beautiful blue and wh…
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the equilibrium price and quantity in a market usually produce allocati…
1. C. marginal benefit and marginal cost are equal at that point. 2. D. keeps the market for rides in equilibrium by constantly adjusting fares to supply and demand conditions.
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the law of demand states that, other things equal, consumers will buy m…
For the first question: price and quantity demanded are inversely related. For the second question: consumers will substitute other products for the one whose price has risen.
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which of the following is not one of the five kinds of losses that caus…
Question 1: the loss of an important computer memory Question 2: Anger
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question 11 (2 points) which of the following is the term used when som…
Assisted death
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3.) create a qualitative frequency - distribution of the following: a c…
(a) Descriptive (b) Inferential (c) Descriptive
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4.) the following is average inches of rainfall for twenty cities in th…
The completed frequency table is shown above and the steps to create the histogram are described above.
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1.) given the following data below: 70,43,48,72,53,81,76,54,58,64 51,53…
| STEM | LEAVES | | ---- | ---- | | 4 | 2 3 3 8 | | 5 | 1 3 3 3 4 5 7 8 | | 6 | 0 1 2 4 5 7 | | 7 | 0 1 2 2 5 5 6 | | 8 | 0 1 2 4 8 |
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2.) create a qualitative frequency distribution of the following: a que…
(a) Nominal (b) | Arrangements | Frequency | | ---- | ---- | | House (H) | 7 | | Apartment (A) | 6 | | Condominium (C) | 9 | | Mobile (M) | 3 |
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name: michael brooks mat 150.5 - october 4, 2023 directions: answer eac…
a) $k = 15$ b) The positions of the 10 students are 8, 23, 38, 53, 68, 83, 98, 113, 128, 143.
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the scatterplot shows the relationship between two variables, x and y. …
a. \(0.84\)
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the scatterplot shows the relationship between two variables, x and y. …
b. 1.84
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the results of two random samples of votes for a proposition are given …
b. sample A had a smaller sample size
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each of 180 power tools can be classified as one of three types, as sho…
a. $\frac{6}{180}$
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the table shows the distribution of 88 basketball players and their pos…
13
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the table shows the distribution of 88 basketball players and their pos…
$13$
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the table shows the distribution of 88 basketball players and their pos…
\(\frac{53}{88}\)
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preamble 1) close reading: what are the three unalienable rights, or ri…
1) a) Life b) Liberty c) The pursuit of Happiness 2) It means that the power of the government is legitimate only when it has the consent of the people it governs, representing th…
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a random sample of students was surveyed and asked to list their grade …
| | Pets | No Pets | Total | |--|--|--|--| | 7th grade | 13 | 15 | 28 | | 8th grade | 18 | 10 | 28 | | Total | 31 | 25 | 56 |
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a survey asked a random sample of students if they estimated they spent…
| Social Media | More | Less | Total | | ---- | ---- | ---- | ---- | | 7th grade | 25 | 16 | 41 | | 8th grade | 15 | 17 | 32 | | Total | 40 | 33 | 73 |
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a survey stopped men and women at random to ask them where they purchas…
| Grocery Options | Store | Online | Total | | ---- | ---- | ---- | ---- | | Women | 29 | 20 | 49 | | Men | 28 | 5 | 33 | | Total | 57 | 25 | 82 |
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question 38 karl marx has often been quoted as saying, “religion is the…
Religion helps create and maintain a false consciousness in the working class.
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jane addams was an early advocate of applied sociology. this meant in a…
addressed social problems through activity in the communities she researched
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question 3 according to symbolic interactionism, how does meaning arise…
B. Meaning is negotiated through interaction with others.
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9 multiple - choice 2 points ____ can wreak havoc on current and future…
9. B. Risks 10. A. True
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lets say ariana wants to \get good grades.\ while thats certainly reali…
4. State the change you want to accomplish 1. Identify your outcome 3. Establish the steps and conditions needed to accomplish the goal 2. Establish a deadline by which you will a…
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in u.s. v alvarez, why did congress pass the stolen valor act? to keep …
Question 1: to protect the meaning of the Medal of Honor Question 2: Alvarez Question 3: is false speech protected by the 1st Amendment
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1. what does contentment mean, and what does it not mean? are you a con…
Contentment means finding joy and peace in current blessings and not being bitter about lacks. It does not mean being complacent.
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the affordable care act (aca) signed into law by president barrack obam…
a. $0.5600$ b. $(0.5283,0.5917)$ c. $0.0317$ d. Yes, the entire confidence is above 0.50.
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8.2 one - sample interval for the proportion. construct and interpret a…
a) $(0.5972,0.6400)$ b) Yes, because the proportion of adults who used social media five years ago is not inside the confidence interval. c) The percentage decreased.
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8.2 one - sample interval for the proportion. construct and interpret a…
$0.275 < p < 0.423$
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8.2 one - sample interval for the proportion. construct and interpret a…
$0.248 < p<0.352$
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8.2 one - sample interval for the proportion. construct and interpret a…
$0.502 < p < 0.618$
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the stem - and - leaf plot above shows house sale prices over the last …
$320000$
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the stem - and - leaf plot above shows house sale prices over the last …
360000
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given below is a data set: 30 42 36 33 23 35 51 39 22 35 27 37 39 53 20…
135
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this demonstration explains how to build a stem - and - leaf plot. here…
5 | 6 6 | 1257 7 | 389
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statistics were gathered on the number of homicides committed with guns…
The first blank: time - series graph; The second blank: a downward trend
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the line graph below shows the number of times maria drove her car each…
7
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y̅ = 9 x̅ = 5 b = 1.61 a = y̅ - bx̅ use the values and formulas above t…
0.95
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2.3 time series the population of a small village is shown below. what …
450
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n = 5 ς(x - x̄)(y - ȳ) = 31 ς(y - ȳ)² = 34 ς(x - x̄)² = 30 r = 0.97 s_y…
1.04
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$\\sum(x - \\bar{x})(y - \\bar{y}) = 54$ $\\sum(y - \\bar{y})^2 = 112$ …
0.93
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on a separate piece of paper, complete the following table to calculate…
48
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in a students statistics class, the final grade is based on four catego…
$82.64$
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in a students french class, the final grade is based on six categories.…
$63.25$
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3.1: measures of center. extreme values and measure of center histogram…
For the first histogram: Mode < Median < Mean For the second histogram: Mean < Median < Mode For the third histogram: Mean ≈ Median ≈ Mode
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determine the shape of the distribution pictured below and the measure …
Skewed - left, median
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3.1: measures of center. extreme values and measure of center determine…
Uniform mean
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consider the following two data sets. set 1 9 10 6 7 5 set 2 9 10 6 7 2…
1. Mean: $7.4$, Median: $7$ 2. Mean: $46.4$, Median: $9$ 3. The mean is sensitive to outliers.
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question 3 1 pts if i own a patent on how to make peanut butter sandwic…
- Question 3: B. federal court - Question 4: C. trial court - Question 5: B. to protect the meaning of the Medal of Honor
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the highway mileage (mpg) for several cars is shown in the table below.…
1. Mean: 26.57 2. Median: 24
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3.1: measures of center. mean, median and mode. calculate the median of…
$22.20$
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calculate $\bar{x}$ (x - bar) for the data shown, to two decimal places…
$14.54$
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the graph of a uniform distribution is shaped like bell shaped straight…
a straight line
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the cholesterol level of patients who had heart attacks was measured tw…
$H_0:\mu_d = 0$ $H_a:\mu_d>0$ (After calculation) $t\approx1.942$ (After calculation) $p - value\approx0.0327$ Since the p - value is less than.10, reject $H_0$. At the 10% level …
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in the state of texas, there are 205 eight - year - olds diagnosed with…
With 99% confidence, it can be concluded that the difference in proportion of children diagnosed with ASD between Texas and Kansas $(p_1 - p_2)$ is between - 0.018 and - 0.001.
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the cholesterol level of patients who had heart attacks was measured tw…
With 99% confidence, it can be said that the true mean difference in cholesterol levels is between $2.67$ and $19.33$ mg/dL.
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two samples are taken with the following sample means, standard deviati…
$(-5.8,-4.2)$
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for each scenario listed on the left, determine whether the scenario re…
1. a. Independent Samples 2. b. Matched Pairs (Dependent Samples) 3. b. Matched Pairs (Dependent Samples) 4. a. Independent Samples
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you have... (a) 2 samples (b) independent samples (c) involving proport…
#12: Hypothesis Test (2 - Sample T - Test) & Confidence Interval (2 - Sample T Interval) for Independent Samples for Two Means
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you have... (a) 1 sample (b) involving a proportion (c) is a hypothesis…
#7: Hypothesis Test for One Population Proportion (1 - Prop Z - Test)
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a random sample of $n_1 = 217$ people who live in a city were selected …
$(-0.38,-0.10)$
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7. what does the word anguish mean? a sudden burst of excitement. deep …
Deep pain, sadness, or distress.
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2. as it is used in the sentence below, anguish most nearly means he wr…
pain
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read the passage from sugar changed the world. starting around 1800, su…
# Brief[SSE Completed, Client Connection Error][SSE Completed, Client Connection Error][LLM SSE On Failure]
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what does the phrase debt of gratitude mean? the apology you owe for ta…
the thanks you owe for something nice that was done for you
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question 3 listen respond with at least two sentences for each question…
Misinformation (or Disinformation) is false information, either unintentional (misinformation) or deliberately spread (disinformation). One way that misinformation and disinformat…
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read the passage from sugar changed the world. the end of slavery was a…
C. Gladstone asked the shipping company to provide workers.
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read the passage from sugar changed the world. in the 1930s, reporters …
The text includes parts of primary - source interviews with enslaved people to illustrate the difficulty of life on a sugar plantation in Louisiana.
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read the passage from sugar changed the world. no one interviewed the a…
B. "They were not just labor, not just bodies born to work and die."
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solve the equation 6.3g + 10 = 2.3g + 26. a. find the value of g. b. ex…
a. $4$ b. C. Substitute the value for g on both sides of the equation to check the answer. If the check does not work, either the answer is incorrect or there were errors made whe…
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solve the equation 6.3g + 10 = 2.3g + 26. a. find the value of g b. exp…
a. $g = 4$ b. To check, substitute $g = 4$ into the original equation. If the left - hand side equals the right - hand side, the solution is correct. If not, the result is incorre…
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test the claim that the mean gpa of night students is significantly dif…
The null and alternative hypothesis: $H_0:\mu_N=\mu_D$, $H_1:\mu_N eq\mu_D$ The test is: two - tailed The test statistic: $-1.77$ The p - value: $0.08$ Based on this we: Reject t…
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many high school students take the ap tests in different subject areas.…
With 95% confidence, it can be concluded that the difference in proportion of female students taking the calculus AB exam versus male students taking the calculus AB exam ($p_1 - …
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levi - strauss co manufactures clothing. the quality control department…
\(H_0:\mu_1=\mu_2=\mu_3=\mu_4=\mu_5\) \(H_a:\) At least one of the means is different. Let's assume after calculation (using software) \(F = 3.21\) (example value, actual value ne…
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is a persons favorite type of donut dependent on their gender? a random…
1. Correct hypotheses: $H_0$: Donut preference and gender are independent; $H_A$: There is some relationship between a person's gender and their donut preference 2. Test Statistic…
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for a normal variable x ~ n(μ = 50.7,σ = 5.1), find the probability p(4…
$0.7659$
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you wish to test the following claim ($h_a$) at a significance level of…
test statistic = 3.476 p - value = 0.000 The p - value is less than (or equal to) $\alpha$ This test statistic leads to a decision to reject the null The final conclusion is that …
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a group of people were asked if they had run a red light in the last ye…
$\frac{205}{629}\approx0.326$
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read the excerpt from the odyssey then i sent out two picked men and a …
# Breve explicación: El extracto muestra cómo los hombres enviados por Odiseo a investigar la tierra se encontraron con los Lotófagos, quienes les ofrecieron el loto. Al comer el …
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the price p, in dollars, of a specific car that is x years old is model…
(a) 32913 (b) 24064 (c) Each year, the value of the car is 90% of its value the previous year.
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calculate the mean and sample standard deviation of the data shown. rou…
mean: $9.20$ Sample standard deviation: $8.09$
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use the boxplot shown below to determine the five - number summary. min…
$Q_1: 14$ Median: $14.5$ $Q_3: 15$
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a frequency distribution table using data. this list of 16 random numbe…
| Class | Frequency | Rel.Freq | | ---- | ---- | ---- | | 20 - 29 | 3 | 0.1875 | | 30 - 39 | 3 | 0.1875 | | 40 - 49 | 6 | 0.3750 | | 50 - 59 | 4 | 0.2500 |
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the price p, in dollars, of a specific car that is x years old is model…
(a) $29718 (b) $17544 (c) The value of the car is 90% of its value from the previous year, meaning it loses 10% of its value each year.
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for the sample data shown, answer the questions. round to 2 decimal pla…
Mean: $19.79$ Median: $19.85$ Sample standard deviation: $6.09$
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for a normal variable $xsim n(mu = 91.9,sigma = 15.1)$, find the probab…
$0.0480$
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linear regression and correlation. compute the equation of the linear r…
The equation of the linear regression line is \(y = 3.550x-5.660\) The correlation coefficient \(r\approx0.944\)
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a population of values has an unknown distribution with $mu = 240.4$ an…
$\mu_{\bar{x}} = 240.4$ $\sigma_{\bar{x}}\approx1.85$
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if n=28, $\bar{x}$(x - bar)=30, and s=10, construct a confidence interv…
$26.8<\mu<33.2$
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for a normal variable $xsim n(mu = 73,sigma = 3.8)$, find the probabili…
$0.6255$
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a population of rug prices has a normal distribution with $mu = 94.7$ a…
$P(X > 101.1)=0.4438$ $P(\bar{X}>101.1)=0.0192$
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match the name of the sampling method descriptions given. situations - …
1. b. Simple Random 2. d. Systematic 3. a. Stratified 4. c. Cluster 5. e. Convenience
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six sigma is an approach that creates teams of expert change agents kno…
B. take control of problem - finding, problem - solving, and training other employees in implementing solutions.