統計と確率
データ分析、確率分布、仮説検定、統計手法。
-
chapter 3: 3.1 probability terminology (concepts, simple, complements) …
$0.3290$
-
1.5 cheaters, study components: researchers studying the relationship b…
a) the 160 children between the ages of 5 to 15 b) The variables and types are age (discrete), sex (regular categorical), whether they were an only child or not (regular categoric…
-
the pathogen phytophthora capsici causes bell pepper plants to wilt and…
To draw the box - and - whisker plot: Mark the minimum value 6, $Q_1=9.5$, median $Q_2 = 12$, $Q_3 = 14$, and maximum value 17 on a number line. Draw a box from 9.5 to 14 with a l…
-
a bag of m&ms has 4 red, 6 green, 3 blue, and 8 yellow m&ms. what is th…
a) $0.3810$ b) $0.4286$ c) $0$
-
finding the mode days of hospitalization = {1, 1, 1, 2, 3, 3, 3, 4, 4} …
1 day, 3 days
-
find the mean nine patients were interviewed as to the number of days t…
$2.4$
-
a special deck of cards has 6 red cards, and 5 black cards. the red car…
a. 11 b. 0.45
-
chapter 3: 3.1 probability terminology (concepts, simple, c score: 1/12…
yes
-
a) calculate the weighted average for the following set of data: grade …
$80.7$
-
b) calculate the new weighted average using the same grades but the dif…
$85.85$
-
grade item grade weight assignments 47 2 midterm 1 64 6 midterm 2 96 6 …
$81.42$
-
first - degree murder is often defined as \unlawful homicide with malic…
A. It means simply that the killing was premeditated.
-
what is a distinction made between criminal and non - criminal particip…
B. Removing life support on patient/family request is not providing the means of death.
-
a. what quarter has the smallest spread of data? second first third fou…
a. Second b. 2 c. Third d. 7 e. 9 f. 30 - 36
-
2. make a histogram from this data, which lists all the scores a basket…
Median: \(77\) Inter - quartile range: \(9\) The data is not very scattered.
-
the table represents the results of survey that asked people their age …
$y=-0.16x + 11.49$
-
what is true about the u.s. development of the first-, second-, and thi…
D. It is used in plea bargaining and for death or life in prison with first - degree.
-
chapter 10 you decide part i - choose your path: proving corpus delicti…
The prosecution has produced proof that the specific crime charged has been committed.
-
gpa 3 2.18 3.66 3.86 3.31 1.57 3.52 1.97 3.79 2.59 3.15 1.52 2.59 3.56 …
(a) $2.18$ (b) $3.56$ (c) $2.83$ (d) $3$ (e) $2.34$ (f) $1.00$ (g) $1.38$ (h) LL: $0.11$, UL: $5.63$ (i) $1.00$
-
41) the word part galacto - means: milk sugar glassy thick
milk
-
given a set of data that is skewed - right, there is at least ____ % of…
C. 75
-
historically, heights of women have a bell - shaped disribution with a …
95%
-
the 40th percentile of the data 5,8,10,11,13,14,18,19,20,21,23,25,26,30…
19.5
-
how can you find the number of $\frac{2}{3}$s in 6? step 1: multiply 6 …
$\frac{3}{2}$
-
9) what does the word part thymo- mean? glassy pinecone shield soul or …
9) Soul or flowery 10) Glassy
-
note: please make sure to properly format your answers. all dollar - fi…
a. 39 b. 17 c. 7 d. 55 e. 85 f. 0.49 g. 1 h. Associated events
-
the table represents the results of survey that asked people their age …
\(f(x)=-0.16x + 14.33\)
-
match the graph to the description that best fits. use each only once. …
Bimodal - b Symmetric - d Skewed left - c Skewed right - a
-
the graph below represents the result of a survey in which a number of …
9
-
3 from unit 1, lesson 2 the dot plot displays the lengths of pencils (i…
6
-
the table shows the numbers of ice cream cones sold for different outsi…
Yes An equation is $y = 1.5x+12$ About 102 ice - cream cones are sold when the temperature is $60^{\circ}F$.
-
use the graph to write an equation of the line. hot air balloon height …
$y=-20x + 700$ The slope of $- 20$ means that the height of the hot - air balloon decreases by 20 meters per minute.
-
question 5 what does \democracy\ mean? rule by the few rule by the elit…
D. Rule by the many
-
identifying correlation match each scenario with the type of correlatio…
- the time spent practicing and the number of free throws made: positive correlation - the height of baseball player and the number of hits made: no correlation - the number of it…
-
sean recorded everyones number - cube rolls during the game. 1,6,2,1,5,…
Sean confused experimental frequency with theoretical probability. For a fair number - cube, the theoretical probability of rolling a 1 is the same as rolling any other number, wh…
-
instructions a. use the information in the table to complete the questi…
### A. 1. **Answer**: Month - **Explanation**: The month changes on its own and is not affected by the number of deer. It is the variable that is being manipulated or observed to …
-
in 2016, young people between the ages of twelve and seventeen watched …
Young people are watching less TV than before, but they are still spending more time watching TV than being outside.
-
changing probabilities suppose you rolled a twelve - sided number cube …
The theoretical probability of landing on a star space on your first roll: decreases The theoretical probability of not landing on a question mark on your first roll: decreases Th…
-
for questions 1 - 10, use the following information. professor charles …
$0.6$
-
your friend, shamus, suggests that you flip a coin to move either 1 or …
If you want the highest probability of landing on a starred space on your first turn, you should use the coin. If you want the highest probability of not landing on a question mar…
-
silently his bare feet moved swiftly over hot, and soil to the edge of …
B. Nature deserves respect and honor.
-
it is marcies first turn to roll. which ratio shows the theoretical pro…
$\frac{2}{3}$ (corresponding to the last option in the multiple - choice list)
-
29. the main idea of a story, including the big idea and what the autho…
29. Theme 30. Sensory language 31. Symbol
-
your friend, jamie, rolled a number cube and got the number 5. on his n…
No, your friend is not correct. Each roll of the number - cube is an independent event and the probability of rolling a 5 on the next roll is still $\frac{1}{6}$.
-
4. draw lines to match the numbers on the right to the measures of cent…
Mean - 89 Median - 91 Mode - 92 Range - 10
-
analyzing scatterplots. the scatterplot shows how many miles marissa jo…
Marissa jogged 5 miles on the first day Marissa jogged 3 miles on the fourth day Marissa jogged 3 miles on the ninth day
-
which theoretical probabilities are equal to 1/3? check all that apply.…
landing on a star space on the first roll, landing at Cat Town on the first roll
-
4. draw lines to match the numbers on the right to the measures of cent…
Mean - 89 Median - 91 Mode - 91 Range - 92
-
raquel throws darts at a coordinate grid centered at the origin. her go…
C. $y = 0.8x+0.1$
-
which table shows a negative correlation? x 2 5 6 7 10 12 y -8 -5 -6 -3…
The fourth table (with $x$ values $2,5,6,7,10,12$ and $y$ values $4,2,-4,-3,-11,-12$) shows a negative correlation.
-
the weights and heights of six mathematics students are given in the fo…
C. Weight is input, height is output
-
a line of best fit is f(x) = - 0.86x + 13.5 for the set of points in th…
-2
-
a. what is the question asking you? b. what information do you need to …
A. The nature or type of the question being posed. B. Data or facts relevant to answering the question. C. The response to the question. D. The means or evidence to confirm the an…
-
question 5 what does \democracy\ mean? rule by the few rule by the elit…
D. Rule by the many
-
teddy is preparing to sell some wooden blocks at a garage sale. before …
20
-
direct quotes i want to use: 1. \with experience and good clientele, as…
1. The quote indicates a career step for those with salon experience to open their own salons and train others. 2. The quote shows the necessary exam after a cosmetology program f…
-
spin the spinner below. suppose that you win a prize if it lands on gre…
$p = 0.7$ $1 - p=0.3$
-
flip the coin below. suppose that you win a prize if it comes up heads.…
The probability of success $p$ is 0.5. The probability of failure $1 - p$ is 0.5.
-
the graph represents the normal distribution of recorded weights, in po…
8.9 lbs, 9.5 lbs, 10.4 lbs
-
from unit 1, lesson 2 the dot - plot represents the distribution of the…
The mean number of goals scored is \(\frac{8}{9}\approx0.89\)
-
the mean shoe size of the students in a math class is 7.5. most of the …
1.5
-
the graph represents the distribution of the lengths of play times, in …
Most of the songs were between 3 minutes and 3.8 minutes long.
-
the students in marlys math class recorded the dimensions of their bedr…
The histogram is right - skewed, so the mean is greater than the median.
-
the histogram shows a citys daily high temperatures recorded for four w…
left - skewed
-
if you scored below a 70, your task is to deconstruct the questions on …
A. The essence of what the question is inquiring. B. Necessary knowledge or data. C. The actual answer. D. The validation method for the answer.
-
bryant collects a set of 20 values that represent the lengths of worms …
B. 6
-
what is the slope of the line? m = 0.25. (d) what does the slope mean i…
The slope means that the water level increases at a rate of 0.25 ft/day.
-
the histogram shows the weekly rates charged by different daycares for …
nearly symmetrical
-
which statement is true about the box plots? number of incorrect questi…
Both the ranges and the interquartile ranges for the data sets are the same.
-
question fawzia bought a bag containing 80 small candies. she starts ea…
The independent variable, $x$, represents the number of minutes eating, and the dependent variable is the number of candies left in the bag, because the number of candies left dep…
-
a variety of two types of snack packs are delivered to a store. the box…
The number of calories in the packs of trail mix have a greater variation than the number of calories in the packs of crackers.
-
nearest whole percentile. 460, 514, 450, 848, 545, 448, 499 send data t…
$71$
-
which statement is true about the ranges for the box plots? number of s…
The range of the Morning box plot is the same as the range of the Afternoon box plot
-
average weekly earnings the average weekly earnings in dollars for vari…
$36$
-
what is the slope of the line? m = 0.25 (d) what does the slope mean in…
The slope of 0.25 means that the water level increases at a rate of 0.25 ft/day.
-
the data set below has a lower quartile of 13 and an upper quartile of …
The greatest value, 78, is the only outlier.
-
how much does scent cost? retold by kelly morrow the clip - clop of hoo…
We need more information about the content of each paragraph to determine the correct answer.
-
the box plot compares the number of events that mrs. cais and mr. rolan…
Mr. Roland's class was more successful because his class's lower quartile was the same as Mrs. Cai's class's upper quartile.
-
read the passage. then answer the question that follows. portia. i prit…
Portia wishes for help to keep from saying what she knows and feels.
-
1. the clip - clop of hooves plodding down the dusty street came to a h…
B. because Abdul Ali does not pay for the steam he used from Masud's stew
-
the linear trend select continue indefinitely. this indicates that it w…
The slope means that the water level increases at a rate of 0.25 ft/day.
-
the interquartile range of the data set is 4. 2,2,3,3,4,5,5,6,7,9,12 wh…
Twelve is not an outlier because it is less than the sum of 7 and 6.
-
johnny is challenged to a single - player game with an expected value o…
It is a favorable game.
-
the box plot represents the number of minutes it takes for the students…
5
-
retold by sharon howard 1 silently his bare feet moved swiftly over hot…
D. "Tonight would be the Festival of the New Moon, and Nsue had nothing to contribute to the feast." (paragraph 2)
-
what is the slope of the line? m = 0.25 (d) what does the slope mean in…
The slope of 0.25 means the water - level is rising at a rate of 0.25 ft/day.
-
the data set represents the total number of tuba players in each of 11 …
$3$
-
there are 8 sophomores on the academic team. at the last competition, t…
79%
-
two black chips and three red chips are put into a bag. two points are …
0.4
-
ms. monroe mixes 200 cubes of 4 different colors for a project. she the…
The mean number of red cubes is more than the median number of red cubes.
-
a trucking company operates in three regions of the country. the table …
$\$3.70$
-
the graph shows the ages of different concertgoers who have backstage p…
The two holders of back - stage passes whose ages are above 40 make the mean age higher than the median age.
-
sebastian has researched the following scoring schemes: one that has 5 …
D (3 choices)
-
brooke has scores of 84, 72, 90, 95, and 87 on her first five quizzes. …
B. 90 D. 86 E. 92
-
the data show the number of pieces of mail delivered to a single home a…
B. A dot plot would show 7 points for numbers greater than 2 C. The intervals on a histogram should be 0 to 2, 3 to 4, and 5 to 6
-
the odd numbered regions will add one point. the even numbered regions …
A number less than or equal to 3 will add one point. A 4 will lose two points.
-
a mini - golf course is determining the par score for each of its holes…
The mean is the best choice because the data is nearly symmetrical.
-
which statement below correctly depicts the expected value of a fair ga…
$E(X) = 0$
-
the table shows the heights, in inches, of players on a girls basketbal…
C. 69
-
the graph shows the number of minutes, to the nearest five minutes, tha…
The mean will decrease, and the median will stay the same.