統計與機率
資料分析、機率分佈、假設檢定與統計方法。
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problem solving leveled practice the stem - and - leaf plots show the d…
6. From the means, you can conclude the average typical daily sales for Farmer's Market $\boldsymbol{B}$ is greater than the average typical daily sales for Farmer's Market $\bold…
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video games how many different ways can 7 different video game cartridg…
5040
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select the word that means distance from side to side. the caspian sea …
breadth
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here are the meanings of some of the symbols that appear in the stateme…
(a) False (b) True (c) False (d) False
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click to read the passage from the metamorphosis, by franz kafka. then …
C. Everyday details of the room are described in the same tone as the description of the character.
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select the word that means put an end to. in 1870, the fifteenth amendm…
abolished
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lola bought x pencils that cost $0.25 each and y erasers that cost $0.5…
The third graph (with x-axis labeled "Number of Pencils" up to 18, y-axis labeled "Number of Erasers" up to 10, line connecting (12,0) and (0,6), and the area below the line shade…
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instructions read the question carefully and select the best answer. ba…
A. snobbish and superior
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karis favorite strawberry yogurt has 14 grams of protein and 4 grams of…
3.5 grams of protein per gram of sugar (corresponding to the option: 3.5 grams of protein per gram of sugar)
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later in the month, marcus won a swim meet on a tuesday. a function is …
No. It could have happened on the 6th, 13th, 20th, or 27th.
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a manufacturing machine has two processes. one of them is repeated 4 ti…
The top (first) graph with the line $y = -4x + 3$ and shaded region below/right of the line (covering non-negative $x,y$ values) is the correct representation.
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the school that stefan goes to is selling tickets to a choral performan…
The price of a senior citizen ticket is $\$8$, and the price of a child ticket is $\$14$.
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directions - answer the following questions based on the graph of the s…
Spending ### Part b)
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find the missing number in the proportion \\frac{6}{5} = \\frac{x}{20}
\(x = 24\)
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type the correct answer in each box. use numbers instead of words. a di…
$1,875 \div 72 = 26$ with a remainder of $3$
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a crayon factory monitored the number of broken crayons per box during …
73
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use the following table comparing motor vehicle deaths (mvd) to answer …
(a) \( x = 39172932 \) (b) \( x = 22362205 \)
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question describe the association in the scatter plot below. answer att…
The scatter plot shows a negative (linear) association because as the plotted values of \( x \) increase, the values of \( y \) generally decrease.
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answer the questions below to determine what kind of function is depict…
This function is exponential because the ratio of consecutive \( f(x) \) values is constant (equal to 2).
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jack, jill, and bill each carried a 48-ounce bucket full of water down …
68
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input (x) output (y) (x,y) -1 -3 (-1,-3) 0 -1 (0,-1) 1 1 (1,1) 2 3 (2,3…
The points \((-1, -3)\), \((0, -1)\), \((1, 1)\), and \((2, 3)\) are plotted on the coordinate plane as described in the steps. (Note: Since this is a graphing task, the final ans…
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10. the jacobys kept track of the time they spent driving on their trip…
A. $10\frac{1}{2}$ hours B. $19\frac{1}{2}$ hours
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select the correct phrase from each box. complete the statement about c…
First blank: redress Second blank: Businesses (or Service providers, depending on options; if options include "Businesses", that’s the fit)
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4. choose tools use a model to answer the question. use a proportion to…
4. 40 5. 64 6. $\frac{12}{25}$; $p=48$
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let sets ( a ) and ( b ) be defined as follows. ( a ) is the set of int…
### Part (a) $n(A)=8$, $n(B)=5$ ### Part (b) | Statement | True | False | |-----------------|------|-------| | $-23 \in B$ | $\odot$ | $\circ$ | | $-16 \in A$ | $\circ$ | $\odot$ …
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a shipping box can carry no more than 6 pounds. each order of jumbo pap…
The correct graph is the middle one (with boundary line connecting (0,2) and (3,0), shaded region below the line including the origin and first quadrant values).
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in the data set below, what is the mean absolute deviation? 1 3 6 3 6 2…
1.6
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analyzing projectile motion represented by a table the table relates to…
The rock hits the ground between 2 seconds and 2.5 seconds after it is dropped.
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question 3: the table below shows the price at which customers can buy …
D. Music Shoppe ### Question 4:
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correct any errors in capitalization or punctuation. your answer should…
"I've been meaning to ask," said the detective, "whether you happened to write down the license plate of that stolen car?"
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correct any errors in capitalization or punctuation. your answer should…
Which intersection did you mean when you said "Turn right after the intersection"?
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10. communicate and justify jane interpreted the mean of the given data…
10. Jane confused the mean with the median. The mean is the average, not the value that splits the data into two equal halves (that is the median). 11. The mean describes the aver…
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practice & problem solving leveled practice in 8 and 9, use the histogr…
8. interquartile range (IQR) 9. median
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fatima plans to fly from new york to denver for work. she collects data…
Flight times for Airline B are typically shorter and more consistent than Airline A.
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activity 3: find the sum: a. the first 30 integers b. the first 50 inte…
\( 465 \) #### b. The first 50 integers
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two rain barrels are used to water a school garden. the table and equat…
D. Barrel 1 and Barrel 2 drain water at the same rate. $y=9$ $6.3281 \times 10^{-7}$ $2^{-6}$
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predicting end behavior based on the table, which statement best descri…
As \( x ightarrow\infty,f(x) ightarrow\infty \), and as \( x ightarrow-\infty,f(x) ightarrow\infty \) (the fourth option in the original problem's choices, assuming the options ar…
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what are the domain and range of this relation? (6, 8) (-6, 1) (-4, -5)…
domain: $\{-9, -6, -4, 6\}$ range: $\{-6, -5, 1, 8\}$
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in the data set below, what is the mean absolute deviation 1 1 8 9 4 if…
3.2
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in the data set below, what is the mean absolute deviation? 8 1 2 2 2 i…
1.8
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completing the sentence choose the word from the word bank that best co…
inaudible ### Question 2
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instructions use the graph to answer the questions. question 11 multipl…
A. \( R=\{1,2,4,6\} \)
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in the data set below, what is the mean absolute deviation? 1 5 1 3 5 8…
1.7
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instructions use the table to answer the questions. classify a table 14…
(1,7), (0,0), (2,10), (2, - 6), (1,3)
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in the data set below, what is the mean absolute deviation? 2 9 5 4 9 7…
2.3
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instructions use the table to answer the question. classify a table 10 …
False
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the table shows the football teams that made the playoffs in the americ…
Shade Region I (the non-overlapping portion of circle A)
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instructions use the graph to answer the questions. classify graphs 10 …
C. \(D = \{1,2,4,6\}\) (assuming the options are labeled as A, B, C, D with C being \(D=\{1,2,4,6\}\))
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directions: drag the tiles to the correct boxes to complete the pairs. …
- Original \$37.50 → New \$34.50: 8% decrease - Original \$98.00 → New \$108.78: 11% increase - Original \$63.00 → New \$56.07: 11% decrease - Original \$12.25 → New \$13.23: 8% i…
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order the numbers from least to greatest. 0.15% \\(\\frac{3}{20}\\) 0.0…
$0.15\%$, $0.015$, $\frac{3}{20}$
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4 × 10⁻⁵ − 1.1 × 10⁻⁸ = the area of texas is about 2.69 × 10⁵ square mi…
\( \approx 3.9989\times 10^{-5} \) (or approximately \( 4\times 10^{-5} \)) ### Second Problem: Area Comparison
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cycle 1 - homework package review 3: the equation of a line in slope y …
The value of \( a \) is \(-20\).
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some teachers compared how many years they have been teachin years of t…
16
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one - sixth of d plus two - thirds of f
\( \frac{1}{6}D + \frac{2}{3}F \)
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order the numbers from least to greatest.\\(\\frac{43}{50}\\)\\(0.91\\)…
$84\%$, $\frac{43}{50}$, $\frac{7}{8}$, $0.91$
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order the numbers from least to greatest. 68% 0.63 \\(\frac{13}{20}\\)
0.63, $\frac{13}{20}$, 68%
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7. rowan writes the following equation. write the number that makes the…
7. $0$ 8. No, I do not agree. The number line is divided into 3 equal parts, so the first mark represents $\frac{1}{3}$, not $\frac{1}{2}$. 9. Fraction behind her: $\frac{5}{8}$; …
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2. write the start and end times shown on the clocks. then use the open…
Start time: 1:20 a.m., End time: 3:08 a.m., Time interval: 1 hour 48 minutes (or 108 minutes)
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the data represents the number of minutes people spent driving one week…
3
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in 9–14, use the data to write a ratio for each comparison in three dif…
### Problem 9: O+ donors to A+ donors # Explanation: ## Step1: Identify the number of O+ and A+ donors. From the table, O+ donors = 90, A+ donors = 45. ## Step2: Write the ratio a…
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the data represents the number of minutes people spent driving one week…
3
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the data represents the number of minutes people spent driving one week…
No, the distribution is not symmetrical.
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16. open - ended what might descartess number be? my number is greater …
A possible number is \(0.65\) (other valid numbers include \(0.60\), \(0.61\), \(0.62\), \(0.63\), \(0.64\), \(0.65\), \(0.601\), etc., as long as digits after tenths place are le…
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the german club made a table showing the ages of its members. club memb…
9
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the members of the cycling club compared how many miles they biked last…
19
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a tax consultant analyzes the distribution of income tax payments and f…
The mean is greater than the median.
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order the numbers from least to greatest. 38% \\(\\frac{8}{25}\\) 0.41
$\frac{8}{25}$, $38\%$, $0.41$
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order the numbers from least to greatest. 38% \\(\\frac{8}{25}\\) 0.41
$\frac{8}{25}$, $38\%$, $0.41$
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the data represents the ages of people at a garage sale. how many gaps …
1
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the members of the track team compared how many miles they ran last wee…
7
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a tax policy researcher examines the distribution of household incomes …
The median is greater than the mean.
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jeffreys class recorded how many cans of food each student collected fo…
6
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the data represents the ages of people at a garage sale. how many gaps …
# Explanation: ## Step1: Identify intervals with no data A gap in a histogram is a range of values with no data (no bars). Let's check the intervals: - 15 - 25: has a bar (height …
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ian looked at his calendar to see how many hours he had worked in the p…
3
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analyzing tax data the table presents detailed tax data for 10 individu…
77012
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the data represents the ages of people at a garage sale. where are the …
Gaps are in the age intervals 35–45 years and 55–65 years.
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the bell curve, also called the normal curve, is a graph that is used t…
the distribution and average of test scores
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the data represents the ages of people at a garage sale. how many gaps …
2
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a girl compared the ages of her cousins. ages of cousins what is the mo…
10
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what does standardization mean? the test is always given on the same da…
Same test construction, given to a representative sample, administered the same way, & scored alike.
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between which seconds is the line increasing? between 12 and 13.5 secon…
D. Between 1 and 5 seconds (assuming the options are labeled as A: Between 12 and 13.5 seconds, B: Between 7 and 12 seconds, C: Between 0 and 1 seconds, D: Between 1 and 5 seconds)
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click the icon to view the dot plot. a. the mean of sonyas data is 7.5 …
let's see, the column at 7: let's count the dots. Let's see, the column at 7: the dots are, let's say, 7 dots? Wait, no, maybe: Wait, the other columns: - 8: 3 dots (8, 8, 8) - 9:…
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the school district compared how many math teachers each high school ha…
9
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a waitress kept track of how many hours she worked each day. hours work…
6
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is this function discrete or continuous? how do you know? continuous, b…
A. continuous, because it’s a connected line with no breaks
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analyzing tax data the table presents detailed tax data for 10 individu…
815
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part 2 of 3 sonya randomly surveys 26 seventh graders to gather data ab…
7
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the data represents the ages of people at a book fair. where are the pe…
The peaks are located in the age intervals of 30 - 40 years and 70 - 80 years.
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to get credit for meeting his schools community service requirement, jo…
6
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analyzing tax data the table presents detailed tax data for 10 individu…
no mode
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the data represents the ages of people at a book fair. how many peaks d…
2
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the school district compared how many swings each elementary school has…
7
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there is a coordinate grid with several points plotted. below the grid,…
Discrete
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where does the trend line touch or cross the y - axis? is the slope pos…
Where does the trend line touch or cross the Y-axis? $\boldsymbol{10}$ Is the slope positive or negative? $\boldsymbol{negative}$ $y = \boldsymbol{-\frac{4}{3}}x + \boldsymbol{10}$
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shannon tracked how many laps she ran in the past 5 days. laps ran day …
7
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sonya randomly surveys 26 seventh graders to gather data about the most…
7.5
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does this graph represent a linear or nonlinear relationship? nonlinear…
Linear (corresponding to the purple option labeled "Linear")
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analyzing tax data the table presents detailed tax data for 10 individu…
\$868
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select the word that means agreed to by all. the authors of the declara…
unanimous
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select the word that means financial and economic success. josé mujica …
prosperity