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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question 7 of 25 a randomly generated list of integers from 0 to 4 is b…
D. 20%
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question 7 of 10 (1 point) 1 question attempt 1 of unlimited (a) choose…
(a) Data set in Figure 4 (b) Data set in Figure 1, Data set in Figure 3
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question 7 of 10 (1 point) 1 question attempt 1 of unlimited (a) choose…
(a) Data set in Figure 1 (b) Data set in Figure 1, Data set in Figure 3
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question 6 of 25 two classmates, aisha and brandon, want to attend two …
D. Aisha. She has a 0.61 probability of attending both activities.
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question 5 of 25 an 80% confidence interval is found to be (200, 240). …
C. 20
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1. for which data set is the correlation coefficient ( r ) closest to 0…
1. Figure 3 2. Figure 2 3. Figure 1
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question 4 of 25 if a sample mean is 92, which of the following is most…
B. \((76,108)\)
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question 3 of 25. alina, robert, and makayla are on the student council…
A. Roll a number cube. If it lands on 1 or 3, Alina wins. If it lands on 2 or 4, Robert wins. If it lands on 5 or 6, Makayla wins. D. Write each student's name on a slip of paper …
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question 2 of 25 if the mean of a normal distribution is 210, what is t…
A. 210
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1. which data set shows the least evidence of a linear relationship? 2.…
1. The data set in Figure 2 2. The data set in Figure 3 3. The data set in Figure 4
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question 1 of 25 an english teacher has equal numbers of fiction, nonfi…
B. Number cube Let \(1,3=\) fiction Let \(2,4=\) nonfiction Let \(5,6=\) poetry Roll the cube three times. Repeat.
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(a) which data set appears to show a negative linear relationship betwe…
(a) The data set in Figure 3 (b) The data set in Figure 2 (c) The data set in Figure 1 (d) The data set in Figure 4
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question 10 of 10 which confidence level would produce the widest inter…
D. \(83\%\)
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question 9 of 10 a 90% confidence interval is found to be (32,48). what…
C. 8
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use the equation of the line of best fit, $y=-0.77x + 26.08$, to answer…
(a) \(26.08\) hours (b) \(0.77\) hours (c) \(14.53\) hours
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question 8 of 10 a 98% confidence interval for a proportion is found to…
D. 0.03
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select the correct answer. 1. once you turn 18, you should regularly ch…
1. For errors or signs of identity fraud 2. Young people
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question 7 of 10 suppose that, based on a sample, the 68% confidence in…
B. 69
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which teacher gave the least amount of homework on thursday? mrs. willi…
Mr. Jones
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question 5 of 10 an 80% confidence interval for a proportion is found t…
A. 0.55
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question 4 of 10 if a sample mean is 32, which of the following is most…
B. (28, 36)
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question 3 of 10 a 95% confidence interval is found to be (30, 36). the…
C. Increase the sample size to 100.
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what is the second most popular sport? baseball football basketball swi…
baseball
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question 2 of 10 which confidence level will produce the widest confide…
C. 99.7%
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how many people prefer rugby?
16
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question 1 of 10 if a sample proportion is 0.26, which of the following…
C. \((0.15,0.37)\)
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used to compare 2 or more different topics. bar graph graph graph pie g…
Bar graph
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question 10 of 10 suppose a normal distribution has a mean of 98 and a …
A. 0.16
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question 9 of 10 suppose a normal distribution has a mean of 98 and a s…
B. 0.84
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a scatterplot has points that show the _______ between between two sets…
relationship
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if we add the percents of each sector together, we should get... 100% 5…
100%
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question 8 of 10 a study has shown that the daily amount of milk produc…
B. 4.8 gallons to 7.6 gallons
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otohime for three days. then he began to miss his mother, so he asked i…
When you get a warning, take it seriously.
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question 7 of 10 a juice machine is set to dispense 16 ounces of juice.…
C. 15.40 ounces to 16.90 ounces
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how many more students prefer action over drama?
5
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question 6 of 10 in a normal distribution, what percentage of the data …
B. 68%
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positive, negative, or no correlation no correlation positive negative …
Positive
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question 5 of 10 suppose the heights of the members of a population fol…
B. 56 inches to 80 inches
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find the range for this list of numbers 68 100 11 3 95 28 19 56 14 16 8…
\(97\)
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question 4 of 10 which statement does not describe a normal distributio…
D. The median may differ from the mean.
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which day of the week are the most parcels delivered on? friday monday …
Samedi
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question 3 of 10 suppose a normal distribution has a mean of 26 and a s…
D. 20.3%
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which of the following scatter plots shows a strong, negative linear as…
A.
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how many more bicycles were sold in june than in may?
\( 10 \)
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select the sentence that is punctuated correctly. meanwhile the angry b…
Meanwhile, the angry bees noticed Warren hiding in the bushes
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which of the following best describes the relationship between the vari…
A. no association
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question 2 of 10 suppose a normal distribution has a mean of 266 and a …
A. 0.16
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you put this variable on the y - axis x - axis independent variable dep…
dependent variable
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question 1 of 10 in a normal distribution, 99.7% of the data fall withi…
D. Three standard deviations
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which of the following best describes the relationship between the vari…
B. strong, positive linear association
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question 10 of 10 a randomly generated list of numbers from 0 to 4 is b…
D. 20%
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question 9 of 10 suppose that a randomly generated list of numbers from…
A. \(0,1,2,3,4,5,6,7\)
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question 8 of 10 the probability of rolling a 4 on a number cube is $\f…
C. 24
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question 7 of 10 suppose the following set of random numbers is being u…
A. 860 583 785 814 010 122 337 198 621 549 034 076 796 495 978 078 433 330 333 153
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question 6 of 10 the following set of random numbers represents 20 simu…
C. 4
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question 5 of 10 a disc jockey at a school dance has equal numbers of r…
D. Number cube: Let even number = rock, Let odd number = country, Roll cube three times. Repeat.
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question 4 of 10 which number of simulation trials would be likely to p…
D. 30
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slope, m, and y - intercept, b, we can solve for either variable when g…
B. 4
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question 3 of 10 pedro buys lunch at school every day. he always gets p…
C. \(0.3\)
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cory is a bird - watcher. he estimates that 30% of the birds he sees ar…
A. 0.5
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which of the following best describes the association between values in…
B. weak, positive association
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question 1 of 10 in a randomly generated list of numbers from 0 to 8, w…
D. \(\frac{1}{9}\)
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when searching for the connotations of the words in \the caged bird,\ t…
the feeling or idea associated with the word.
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question 9 of 10 a bag has 4 balls: 1 red (r), 1 green (g), 1 yellow (y…
C. {R, G, Y, B}
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question 8 of 10 anne is choosing a contractor. she has narrowed down h…
A. Contractor A. The probability that both conditions are met is 0.92.
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distinguishing positive and negative connotations read each sentence. t…
- The denotative meaning of "cheap" in the second sentence is "not expensive". - For the third sentence, a word that could be used to describe the negative connotation of "loud" (…
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question 7 of 10 a t - shirt vendor is thinking about changing the numb…
C. Large
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his cousin explained that there are 18 holes on a golf course and every…
The completed table (distance from par column) should be: \(5\), \(4\), \(3\), \(2\), \(1\), \(0\), \(1\), \(2\), \(3\), \(4\), \(5\)
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for the last few days ive been quite sick. ive barely gotten out of bed…
instantly
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ahmad is interested in his cousins golf scores to determine what patter…
\(2\)
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identifying and interpreting figurative language after boadicea had bee…
She was extremely angry.
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mr. piper is driving peter, roddy, and scott home from school. all of t…
B. Roll a number cube. If it lands on 1 or 2, Peter wins. If it lands on 3 or 4, Roddy wins. If it lands on 5 or 6, Scott wins. C. Put each person's name on a separate piece of pa…
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question 4 of 10 you and a friend are playing a game by tossing two coi…
D. No. You have a $\frac{1}{4}$ probability of winning, while your friend has a $\frac{1}{2}$ probability of winning.
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read this sentence from paragraph 9 of the selection. l6.4b people fear…
B. In danger
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the senator rose to power by showing great acumen. he always showed ins…
Tempestuous most likely means "explosive". Auspicious most likely means "positive".
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stock market vocabulary and definitions use the vocabulary to fill in t…
1. publicly owned 2. stockholder 3. private 4. bear 5. stock exchange 6. bull 7. diversification 8. dividends 9. risk 10. stock 11. stock market 12. portfolio
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question 3 of 10 ethan rolls a 6 - sided number cube. what is the proba…
A. \(\frac{2}{3}\)
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if, when hearing that i have been stilled at last, they stand at the do…
I have died.
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during my youth, i was always curious about how the world worked. becau…
gifted
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question 1 of 10 which of the following is not a possible value for a p…
B. \(1.001\)
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spiral #3 aleks portion question 5 of 17 (1 point) | question attempt: …
Computer
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question 9 of 10 if a population is, a sample of the population could b…
B. all citizens; registered voters
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question 7 of 10 the estimate obtained from a sample of which of the fo…
C. 150
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question 6 of 10 suppose a population contains 80,000 people. all else …
B. 8000
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directions: match the vocabulary term to its definition 1. ____ rich in…
1. b. fertile 2. a. Sahara 3. f. Sahel 4. e. seminomadic 5. h. population distribution 6. d. sparsely populated 7. c. densely populated 8. g. subsistence farming
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question 5 of 10 the average heights of four samples taken from a popul…
C. 62
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johns math course requires 5 tests. his first 4 grades were 69, 84, 88,…
$75$
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if your have the following test scores: 72, 60, 78, 84, 54, and 90, wha…
\(73\)
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question 4 of 10 if there are 19 successful outcomes in a sample with a…
C. 0.76
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the table below shows a students quiz scores on six quizzes. scores 8 1…
\(13\)
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1a. what is data with two variables called? choose an option a divariat…
C. Bivariate data
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question 3 of 10 if a population consisted of 100,000 people, a sample …
C. 10,000
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a group of adults were asked how many children they have in their famil…
15 13.33%
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7. a group of hikers is progressing steadily along an uphill trail. the…
a. The slope of the graph is \(250\). Using the slope formula \(m=\frac{y_2 - y_1}{x_2 - x_1}\) with points \((0,500)\) and \((2,1000)\), \(m=\frac{1000 - 500}{2-0}=250\). It mean…
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amsco 5.3 ype in the answer to the question. what do the acronyms \dnc\…
DNC: Democratic National Committee; RNC: Republican National Committee
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question 2 of 10 if a sample consists of the following data values, wha…
D. 46
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malek was celebrating his birthday. as each person entered, he recorded…
\(16.3\)
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based on the two data sets represented below, complete the following se…
The median of Data Set E is less than the median of Data Set F. The interquartile range (IQR) of Data Set E is equal to the interquartile range (IQR) of Data Set F.
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the line graph below shows the number of times steven tweeted each day …
\(14\)
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based on the two data sets represented below, complete the following se…
The median of Data Set X is equal to the median of Data Set Y. The interquartile range (IQR) of Data Set X is greater than the interquartile range (IQR) of Data Set Y.