Mathematics, 02.12.2019 18:45

# 1) which linear equation best represents the line of best fit for the scatterplot? a) y = x b) y = 3x c) y = -3x d) y = 5x + 1 2) which graph shows no correlation? a) a b) b c) c d) d * hover over answer image to enlarge 3) which of the choices is the best example of a line of best fit for the scatterplot? a) a b) b c) c d) d * hover over answer image to enlarge 4) the graph represents the current stock market trends. the best fit line shows a) no correlation b) weak positive correlation c) weak negative correlation d) strong positive correlation 5) describe the correlation. a) no correlation b) prime correlation c) positive correlation d) negative correlation a survey was taken asking participants their age and how many soft drinks they drink a week. the results are displayed in the scatterplot. the data for people age 15-19 are not shown. based on the scatterplot, how many soft drinks would 15-19 year olds be expected to drink in a week? a) 4 b) 6 c) 8 d) 14 7) person bmi total cholesterol 1 20 157.87 2 22 170.85 3 24 183.83 4 26 196.81 5 28 209.79 6 30 222.77 7 32 235.75 total cholesterol and bmi were measured several individuals. using the regression line, what is the expected total cholesterol if a person has a bmi of 35? a) 249.45 b) 253.21 c) 255.22 d) 257.43 8) the dudley family just brought home twins from the hospital. their neighbor's baby was born on the same day as the twins. a reasonable conclusion is that the dudley family will spend more money on diapers. is this association positive, negative, or neither? is the relationship more likely a causation or correlation? a) neither b) positive; causation c) negative; correlation d) positive; correlation 9) which causal relationship is justifiable? a) children with bigger feet spell better. spelling better causes a child's feet to grow. b) surf board sales rise when lemonade sales rise. drinking lemonade causes more people to buy surfing boards. c) the traffic is heavier around the stadium when a game is being played. games being played cause more traffic. d) an elementary school child has more cavities than his baby brother. he also has a larger vocabulary. an increased vocabulary causes cavities. 10) based on this graph, which statement must be true? a) more x causes less y. b) more x causes more y. c) there is a negative correlation between x and y. d) there is a positive correlation between x and y.

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Mathematics, 05.02.2019 00:43

The two-way table shows the number of people whose hobbies are reading or solving puzzles and who either ride a motorcycle or donโt ride a motorcycle. among people whose hobby is reading, what is the relative frequency of not riding a motorcycle? express your answer as a decimal, and round it to the nearest hundredth if necessary. enter your answer in the box. reading solving puzzles ride a motorcycle 7 3 don't ride a motorcycle 5 9

Answers: 1

Mathematics, 04.02.2019 21:53

Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

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Mathematics, 04.02.2019 06:48

Ablueprint for a house is shown below. if the house is actually 30 feet wide, how tall is the house?

Answers: 3

Mathematics, 04.02.2019 05:17

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

Answers: 1

1) which linear equation best represents the line of best fit for the scatterplot? a) y = x b) y =...

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