Statistik
Datenanalyse, Wahrscheinlichkeitsverteilungen und Hypothesentests.
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question 21 of 25 which of the following is not a possible r - value? a…
D. \(-1.6\)
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question 20 of 25 by visual inspection, determine the best - fitting re…
D. Quadratic
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question 19 of 25 by visual inspection, determine the best - fitting re…
B. Exponential
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question 17 of 25 by visual inspection, determine the best - fitting re…
C. Linear
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question 16 of 25 which of the following r-values represents the strong…
B. \(0.65\)
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for how many of the 9 data points is the actual y - value greater than …
b. 7
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you work summer construction, and your hours may vary depending on the …
B. 9
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you schedule production of communications chips. after the chips are pr…
B. 1,053
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match each term to its correct definition. match term definition allusi…
- Allusion - E - Hyperbole - A - Imagery - B - Metaphor - D - Personification - C
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the data points on the scatter plot below show the number of hours work…
A line is drawn on the scatter - plot following the upward trend of the data points (the actual drawing is done on the provided scatter - plot interface).
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the venn diagram shows the memberships for the tennis club and the voll…
(a) \(7\) (b) \(3\) (c) \(2\)
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aside from raising food yields from 50 to 67 percent, the movement from…
D. higher yields per acre and a more even distribution of labor throughout the year.
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4. which word or words are related to balance? precedent countenance eq…
# Brief Explanations: - **Equilibrium** means a state of balance.[SSE Completed, Client Connection Error][SSE onError error]
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read the sample conclusion. which sentence should be added to the end o…
A. Her actions continue to remind the world that education and equality are worth fighting for.
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the graph to the right shows the number of stores for a certain departm…
900
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the graph to the right shows the number of stores for a certain departm…
\(200\)
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the graph to the right shows the number of stores for a certain departm…
80
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the graph to the right shows the number of stores for a certain departm…
# Ex[SSE Completed, Client Connection Error][SSE Completed, Client Connection Error][LLM SSE On Failure]
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the graph to the right shows the number of stores for a certain departm…
# Ex[SSE Completed, Client Connection Error][SSE Completed, Client Connection Error][LLM SSE On Failure]
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the graph to the right shows the number of stores for a certain departm…
The increase in the number of stores for year 5 is approximately 100 stores. The increase in the number of stores for year 6 is approximately 100 stores.
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the graph to the right shows the number of stores for a certain departm…
250
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complete the following sentence. as of 2020, the life expectancy (at bi…
\(10.4\)
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the graph to the right shows the number of stores for a certain departm…
100
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the graph to the right shows the number of stores for a certain departm…
100
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the united nations declaration on the rights of indigenous peoples is m…
All of the above
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symbols can have only one meaning. a true b false
B. False
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janas family has lived in the same region for many years. which phrase …
area of land
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suppose x has a normal distribution with mean μ = 23 and standard devia…
- For \(n = 4\): \(\mu_{\bar{x}}=23\), \(\sigma_{\bar{x}} = 4.5\) - For \(n = 16\): \(\mu_{\bar{x}}=23\), \(\sigma_{\bar{x}}=2.25\) - For \(n = 100\): \(\mu_{\bar{x}}=23\), \(\sig…
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2. -/3 points according to the empirical rule, approximately what perce…
Within 1 standard deviation: \(68\%\) Within 2 standard deviations: \(95\%\) Within 3 standard deviations: \(99.7\%\) For the second question (about normal - binomial approximatio…
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describe a normal probability distribution. (select all that apply.) me…
mean, median, and mode all equivalent, bell - shaped, symmetric around the mean, most of the data fall within 3 standard deviations from the mean.
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complete the sentence with the word that means about the same thing as …
old
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let x be a random variable that represents the level of glucose in the …
(a) \(0.0465\) (b) \(0.0089\)
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question 7 of 10 the prefix dodeca - means what? a. 12 b. 20 c. 8 d. 6
A. 12
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let x be a random variable that represents the level of glucose in the …
(a) \(0.0465\) (b) For \(n = 3\): \(0.0019\); For \(n = 5\): \(0.0001\)
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coal is carted from a mine in west virginia to a power plant in new yor…
(a) \(0.2375\) (b) \(0.0001\) (c) Yes, because the probability that the mean of 26 cars is less than \(88.5\) tons is very small.
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suppose x has a distribution with μ = 22 and σ = 21. (a) if a random sa…
(a) $\mu_{\bar{x}} = 22$, $\sigma_{\bar{x}}=3.5$, $P(22\leq\bar{x}\leq24)=0.2157$ (b) $\mu_{\bar{x}} = 22$, $\sigma_{\bar{x}}=2.625$, $P(22\leq\bar{x}\leq24)=0.2764$ (c) The stand…
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which of the following are possible examples of sampling distributions?…
mean trout lengths based on samples of size 5, average male height based on samples of size 30
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what is a sample statistic? a descriptive measure of a. give three exam…
A sample statistic is a descriptive measure of a sample. Examples: $s$, $\bar{x}$, $\hat{p}$.
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what is a population parameter? a population parameter is a select desc…
A population parameter is a numerical descriptive measure of a population. The examples are $\sigma$, $\mu$, $p$.
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a simple random sample of n measurements from a population is a subset …
- Every sample of size \(n\) from the population has an equal chance of being selected. - Every member of the population has an equal chance of being included in the sample.
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which of the following are examples of a population? (select all that a…
antelope in Wyoming, people in Colorado, students in your school
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new question set 1. communication that does not use words is a. holism …
1. B. Nonverbal communication 2. A. Addressing the person using his or her title 3. B. Nonverbal communication 4. B. You care and respect the person's feelings 5. C. Using touch 6…
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this table shows the population of owls in a park in different years. t…
C. No, because you can't have a negative number of owls.
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question 13 of 25 if weight is an explanatory variable and cost is the …
D. Cost
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question 11 of 25 estimate the line of best fit using two points on the…
A. \(y = 8x+20\)
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question 10 of 25 what is the equation of the line of best fit for the …
A. \(y = 1.560x-4.105\)
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question 9 of 25 suppose there is a strong positive correlation between…
B. When a increases, b tends to increase.
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question 8 of 25 suppose the linear regression line y = 2.1x + 130 pred…
B. \(\$655\)
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question 6 of 25 which of these r - values represents the weakest corre…
D. -0.05
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question 5 of 25 three runners competed in a race. data were collected …
C. Runner C
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question 3 of 25 a company produces items in small batches. the machine…
C. The equipment starts producing items after about 20 minutes of warming up.
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question 2 of 25 the resale value of a certain car decreases over time.…
A. \(\$5500\)
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question 1 of 25 suppose the correlation coefficient between the number…
D. As the number of college students increases, the number of buses tends to increase.
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question 10 0.5 pts what was the focus of the 1936 election? whether or…
whether or not "liberty" implied economic deregulation or equitable distribution of wealth among citizens
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the dawes act (check all that apply) allowed the plains nations to cont…
Divided the native lands into individual sections as a way to encourage private land ownership and farming; Was meant to assimilate Natives into white culture; Was meant to discou…
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the dawes act was to \ provide for the allotment of lands in severalty …
Separate
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question 7 (1 point) what does the word emancipation mean in the follow…
- Question 6: d. look for additional sources to corroborate the information - Question 7: d. the freeing of someone from slavery or servitude - Question 8: b. someone who did not …
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7 multiple choice 1 point which set of numbers is most precise? 2.2, 3.…
The set \(7.81,19.5,13.85,12.12\) is most precise.
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6. find the area under the normal curve between (select only two proble…
a. \(0.8767\) b. \(0.0786\) c. \(0.2991\)
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brown bears in katmai national park, alaska bear identification number …
D. 122
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the following text is from rudolfo anayas 1972 novel bless me, ultima. …
B. Imitate
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find a) the mean and b) the standard deviation on an examination in whi…
a) The mean \(\mu = 75.4\). b) The standard deviation \(\sigma=9\).
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the table below shows a students quiz scores on four quizzes. find this…
\(14.75\)
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angela categorized her spending for this month into four categories: re…
\(\$432\)
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l8 - homework score: 135/200 answered: 27/40 question 28 the plot above…
\(26\)
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janai categorized her spending for this month into four categories: ren…
\(440\)
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laura is bowling 5 games. her first 4 scores were 146, 120, 118, and 12…
149
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l8 - homework score: 120/200 answered: 24/40 question 25 laura is bowli…
$176$
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find the range for this list of numbers range = question help: video su…
\(97\)
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find the maximum for this list of numbers maximum =
\(99\)
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find the minimum for this list of numbers 83 74 67 23 39 6 20 71 3 41 4…
\(3\)
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find the median for this list of numbers 33 56 84 76 37 55 48 51 54 32 …
\(54\)
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score on last try: 0 of 5 pts. see details for more > next question get…
\(63.67\)
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how has transportation affected globalization? by encouraging the quick…
by encouraging the exchange of goods and services
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dakota completes his personality test. he is happily introverted but wo…
Show him a nonprofit website that needs updating, Mention a local roadside cleanup
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which evidence supports the conclusion that the grimms fairy tales were…
- The tales are from the past and were collected through interviews. - Some of the tales discuss wars and other conflicts of the time. - The tales often reveal the harsh living co…
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deviance tends to occur when a major discrepancy exists between cultura…
strain theory
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a group of veterinarians at a major veterinary hospital was interested …
d. All of the answer options are correct.
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question 8 1 pts a political party sends a mail survey to 1500 randomly…
B. the 480 voters who returned the surveys.
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a group of veterinarians at a major veterinary hospital was interested …
C. a systematic sample
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dr g is trying to garner opinions on students grc experience. he survey…
B. stratified random sampling
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dr g was supposed to submit 4 student names to his dean. these students…
B. Convenience Sampling
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question 2 since 2012, the median number of points scored by seahawks i…
B. Simpson's paradox
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question 1 if x and y are two quantitative variables, one way to identi…
a. Calculate the correlation between X and Y, e. Draw a scatterplot between the two variables
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the following chart shows student population in a certain elementary sc…
1. $40$ Students/Year 2. $\approx23.33$ Students/Year
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select the correct answer nick is recording the names and scores of his…
A. labels
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suzie wants to make two different solutions of salt water for a science…
Solution A is less salty. There are 36 grams of salt in 1.2 liters of Solution A.
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according to the passage, what is the definition of vulnerable? a) anxi…
B) defenseless
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based on the essays central ideas, what is emerson trying to convince t…
go out into nature and commune with the divine, experience real solitude to truly perceive nature, realize that individuals are meant to learn from nature and transcend it, think …
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because the mean is very sensitive to extreme values, it is not a resis…
The \(20\%\) trimmed mean is \(310.2\) pounds.
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find the mean of the data summarized in the given frequency distributio…
A. The computed mean is close to the actual mean because the difference between the means is less than 5%.
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find the mean of the data summarized in the given frequency distributio…
\(46.8\)
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find the mean of the data summarized in the given frequency distributio…
The mean of the frequency distribution is \(46.7\) miles per hour. The computed mean (\(46.7\)) is less than the actual mean (\(51.8\))
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a student earned grades of b, a, c, and d. those courses had these corr…
The student's GPA is \(3.00\). Since \(3.00<3.20\), the student did not make the dean's list.
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a students course grade is based on one midterm that counts as 10% of h…
\(80.2\)
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use the birth weights (grams) of 50 babies from the data set births use…
The mean birth weight is \(3278.0\) grams.
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a bag has nine balls labeled a, b, c, d, e, f, g, h, and i. one ball wi…
Sample space: \(A,B,C,D,E,F,G,H,I\) Event of choosing a vowel: \(A,E,I\)
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a number cube with faces labeled from 1 to 6 will be rolled once. the n…
Sample space: \(\{1,2,3,4,5,6\}\) Event of rolling a number from \(2\) to \(4\): \(\{2,3,4\}\)
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a _____(1)_____ is used to spin the clay while the ceramicist shapes it…
B. (1) potters wheel; (2) kiln
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this image is an example which technique in ceramics? a. red figure pai…
A. red figure painting