Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
-
divide. write your answer in scientific notation. \\(\\frac{2.88 \\time…
\(4\times10^{-9}\)
-
round 2: choose and collect the correct representation of the number sh…
The graph on the Left
-
question 7 of 10 which of the following best explains the term compress…
D. Packing a lot of meaning into a small space
-
round 2: choose and collect the correct representation of the number sh…
3 tenths
-
mom, dad, and 3 sisters are picking apples. they pick a total of 60 app…
Cada persona recogió 12 manzanas.
-
round 1: choose and collect the correct representation of the number sh…
5
-
analyzing word choice and tone juliet: ’tis but thy name that is my ene…
First drop - down (tone): Questioning (or the relevant option with similar meaning in the drop - down). Second drop - down: She asks questions and wonders.
-
round 1: choose and collect the correct representation of the number sh…
0.5
-
round 1: choose and collect the correct representation of the number sh…
The top graph (the first graph with the 10 vertical strips, 5 colored)
-
look at each quote, and then write what you think each quote means. \it…
The quote means that the described situation (the context around the quote, likely a connection or bond) was valid because the two people were kindred spirits, meaning they had a …
-
read the following lines from the first scene of king lear: \meantime w…
A. power, since Lear has the final say in how he will divide his kingdom
-
what indirect characterization can be made about lear, based on his beh…
B. He is foolish and selfish, with little regard for others.
-
problem solving a contestant in a weight - loss competition wants to lo…
5
-
4.) oliver can ride his bike for 40 minutes and travel 12 miles. a.) wr…
$\frac{12}{40}$ (or simplified as $\frac{3}{10}$) ### Part (b)
-
8. el periódico local tiene cartas al editor de 40 personas. si este nú…
El periódico tiene 800 lectores.
-
use the paragraph to answer the question. in spite of short rations she…
D. It is meant to emphasize the amount of milk the cow produced.
-
7. en una encuesta de 500 votantes, 430 afirmaron que votarían por el m…
El porcentaje de votantes que votarían de la misma manera otra vez es \( 86\% \).
-
y = -7x + 50 (1,43) (6,8) use the equation of the trend line to predict…
15
-
y = 9x + 4 (13,121) (4,40) use the equation of the trend line to predic…
130
-
y = 2x + 8 (16,40) (3,14) money spent (dollars) number of games played …
44
-
use the table on the left to fill in the blanks: utiliza la tabla de la…
\( f(0) = 8 \), \( f(2) = 16 \), \( f(5) = 28 \), \( f(4) = 24 \), \( f(1) = 12 \) (en orden de los espacios en blanco)
-
use the equation of the trend line to predict the number of empty seats…
3
-
look at each quote, and then write what you think each quote means. the…
Meaning: Scrooge holds a cruel, dismissive view of the poor. He suggests they should "do it" (likely die or suffer) to reduce the "surplus population", treating them as a burden t…
-
y = 2x + 6 (9,24) use the equation of the trend line to predict the cos…
26
-
purpose for reading: todays reading is \i wandered lonely as a cloud\ b…
A. lively and full of energy.
-
match each line from shakespeare’s romeo and juliet with today’s langua…
- "That which we call a rose / By any other name would smell as sweet." → Names are just labels; they don't mean anything. - "O! that I were a glove upon that hand, / That I might…
-
assume that police estimate that 18% of drivers do not wear their seatb…
\( 5.6 \) (Wait, but according to the formula in the problem, the mean of the geometric distribution is \( \frac{1}{p} \), so with \( p = 0.18 \), \( \frac{1}{0.18}\approx5.6 \). …
-
purpose for reading: todays reading is \i wandered lonely as a cloud\ b…
Cheerful and lighthearted
-
assume that police estimate that 18% of drivers do not wear their seatb…
5.0
-
mr. martinez is buying art supplies for his classroom. he plans to buy …
Proportional Relationship: tubes of paint, crayons, aprons Nonproportional Relationship: rolls of paper, markers, bottles of glue
-
assume that police estimate that 18% of drivers do not wear their seatb…
25.3
-
ivan purchased a prepaid phone card for $30.50. calls cost 6 cents a mi…
27.50
-
josh has to read a section of his book for his social studies class. fo…
C. the third day
-
assume that police estimate that 18% of drivers do not wear their seatb…
\( 5.6 \)
-
3.) henry can swim 2 yards in 5 minutes. a.) what fraction represents h…
\( \frac{2}{5} \) ### Part (b)
-
daniel and his mom are working together to paint his bedroom. the paint…
B. Daniel will spend $19.62 on glossy paint if he buys 6 quarts, C. Daniel's total cost will be $24.12 if he buys 2 paint brushes and 1 gallon of matte paint.
-
assume the geometric distribution applies. use the given probability of…
\( 0.00640 \) (rounded to five decimal places)
-
match each example of figurative language to its meaning. \the doors of…
"the doors of breath" - lips "Her cheek would shame those stars / As daylight doth a lamp" - She is more beautiful than the stars "As glorious to this night... / As is a winged me…
-
weekly income coffee consumption per week what type of correlation does…
No Correlation
-
what type of correlation does the following dataset appear to have? amo…
Negative Correlation
-
typing speed (words per minute) number of pencils owned what type of co…
No Correlation
-
3.) henry can swim 2 yards in 5 minutes. a.) what fraction represents h…
$\frac{2}{5}$ ### Part (b)
-
use reasoning to choose the closest estimate of the product. 3. circle …
b. 5,000
-
what type of correlation does the following dataset appear to have? pos…
Negative Correlation
-
the table below shows the cost of gasoline based on the number of gallo…
A. $y = 3.25x$
-
the amount of sugar required in a recipe for cookies depends on the amo…
A. $\frac{3}{4}$ cup
-
use reasoning to choose the closest estimate of the product. 1. circle …
d. 1,000
-
use the fact that the mean of a geometric distribution is \\( \\mu = \\…
999.5
-
amar is using a laser printer to print a report. the line on the graph …
4
-
2. circle the best estimate: 62 × 29 a. 60 b. 600 c. 120 d. 1,200 e. 18…
f. 1,800
-
ethan hikes at the average speed of 2 miles per hour. the table shows t…
3 (for the time when distance is 6 miles), 10 (for the distance when time is 5 hours)
-
ethan hikes at the average speed of 2 miles per hour. the table shows t…
10
-
use the fact that the mean of a geometric distribution is \\( \\mu = \\…
1000
-
the table shows how far a distance runner has traveled since the race b…
5.00 miles per hour (corresponding to the option "5.00 miles per hour")
-
select two tables that represent a proportional relationship between x …
B. Table with x:0,1,3,5 and y:0,4,12,20, C. Table with x:0,2,6,10 and y:0,14,42,70
-
the table below shows a relationship between x and y. | x | y | |----|-…
A. 8
-
10. the cafeteria tables at jackson middle school can hold 12 students …
c. \(\frac{c}{12} = 50\)
-
timmy uses $1\\frac{1}{2}$ cups of sugar for every 2 gallons of lemonad…
9.75
-
given that x has a poisson distribution with μ = 1.6, what is the proba…
\( 0.1378 \)
-
assume the poisson distribution applies. use the given mean to find the…
\( 0.149 \)
-
given that x has a poisson distribution with μ = 11, what is the probab…
\( P(7) \approx \boxed{0.0646} \)
-
use the fact that the variance of a poisson distribution is $\\sigma^2 …
\( 0.301 \)
-
13. which topic needs the use of programs to analyze the data to identi…
D. The standardized test scores for current students compared to test scores across the country for the past decade
-
use the fact that the variance of a poisson distribution is $\\sigma^2 …
D. The number of bankruptcies usually differs from the mean by no more than the standard deviation number of bankruptcies.
-
use the fact that the variance of a poisson distribution is \\(\\sigma^…
2.6
-
the sign below advertises the cost of fruit at a roadside market. banan…
B. A proportional relationship exists for apples but not for bananas.
-
to better understand library usage patterns, a librarian figured out ho…
6
-
a soccer coach asked the members of her team how many times they played…
17
-
a statistics lab required students to draw cards numbered between 1 and…
5
-
a food manufacturer surveyed consumers about their macaroni and cheese …
4
-
michael runs a distance of $5\\frac{1}{4}$ miles in $45\\frac{3}{4}$ mi…
6.89 (or exact value $\frac{420}{61}$)
-
every night when you put on your pajamas, you put that day’s pants in t…
# Explanation: ## Step1: Identify days after Wednesday Days after Wednesday are Thursday and Friday. For each of these days, we add 2 layers (pants + shirt) per day. So for 2 days…
-
the mean sustained wind velocity, v, can be determined by the equation …
910 millibars
-
5. how can an organization begin the process of analyzing data? * a. by…
C. By developing hypotheses and questions to test
-
the benson skating rink counted the number of times people went ice ska…
6
-
a fashion magazine poll asks how many winter hats each reader owns. win…
8
-
for a fundraiser, the children in the art club made greeting cards and …
11
-
select the best description of the following exponential equation. $f(x…
Decaying by 1% with every unit of \( x \)
-
based on part two of trifles, the symbolism of the dead bird implies th…
had an oppressive demeanor that killed the bird and his wife's spirit.
-
read the excerpt from part one of trifles. county attorney (with the ga…
D. It characterizes the County Attorney as someone desirous of showing respect to women, even if he does not mean it. (Note: Assuming the options are labeled A - D with the fourth…
-
this commission sadly perplexed hercules, for he did not know in what p…
D. unyielding
-
how do you write 0.5 as a percentage? write your answer using a percent…
50%
-
based on the scatter plot below, which is a better prediction for x whe…
5
-
does this scatter plot show a positive trend, a negative trend, or no t…
no trend
-
task two: for each of the following scenarios, write your own persuasiv…
### 1. Mom, I've always been responsible with my choices—like how I manage my schoolwork and respect your values. Getting this tattoo, which has a meaningful design related to our…
-
during the middle ages, people often used grains, scruples, and drams t…
5
-
you flip a coin twice. what is the probability of getting tails and the…
$\frac{1}{4}$
-
find the rate of change represented by the data in the table below. x| …
b) negative
-
khloe reaches the end of a hiking trail and hikes back to her car at a …
\( y=-3z + 11 \)
-
a bike rental costs $2.50 per hour plus a fee for renting a helmet. the…
\(y = 2.5x + 8\)
-
when a cricket chirps 40 times in one minute, the temperature is about …
\( y=\frac{1}{4}x + 40 \)
-
a dance school offers classes in ballet folklórico. there is a one - ti…
\( y = 8x + 12 \)
-
the table shows a function. is the function x | y 7 | 4 8 1/5 | 6 9 2/5…
nonlinear
-
reading quiz question 4 instructions read the question carefully and se…
C. noun | a serious and prolonged disagreement or argument
-
question one possible combination of homeroom groups is 18 groups of 10…
\(y - 5=-\frac{1}{2}(x - 18)\) (the second option: \(y - 5=-\frac{1}{2}(x - 18)\))
-
(a) draw a scatter plot of the data. (b) find the equation of the line,…
B. The graph labeled B
-
test a claim that the mean amount of carbon monoxide in the air in u.s.…
For part (c), if we recalculate correctly, \(t=\frac{2.30 - 2.31}{2.11/\sqrt{65}}\approx - 0.04\), but the problem's given is 0.27 (possible error). For part (d), Fail to reject \…
-
what is the total distance the skier travels? total distance = ? km not…
22 km total
-
a study was done using a treatment group and a placebo group. the resul…
a. The null and alternative hypotheses: B. \(H_0:\mu_1 = \mu_2\), \(H_1:\mu_1 eq\mu_2\) Test statistic: \(-1.21\) P - value: \(0.230\) Conclusion: C. Fail to reject the null hypo…
-
6 directions: use the drawing tool(s) to form the correct answer on the…
The solution point is \((18, 270)\) (rounded to nearest whole numbers).