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Sonja [21]
3 years ago
6

The coordinate points below show part of the data collected by the cell phone company, where x is age in years and y is texting

speed in words per minute. (12, 16), (13, 18), (13, 10), (14, 16), (15, 9), (15, 8), (16, 17), (17, 23) If this data was plotted on a scatterplot, would there be a relationship between the variables? If yes, explain the relationship.
Mathematics
2 answers:
Vikentia [17]3 years ago
6 0

Answer:

No, there is no clear relationship between age and texting speed.

Step-by-step explanation:

i already did it

guapka [62]3 years ago
3 0

Answer:

D

Step-by-step explanation:

i took the test, and the answer is right

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Each student receives one of 4 calculator models and one of 3 types of ruler. How many possible outcomes are there if a student
Tanzania [10]

Answer:

24 possible outcomes

Step-by-step explanation:

Combination has to do with selection. For example, if r object is selected from a pool of n objects, the number if possible ways can be expressed according to the combination formula:

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Applying this in question, if each student receives one of 4 calculator models and one of 3 types of ruler, the number of ways this can be done is:

4C1 × 3C1

4C1 = 4!/(4-1)!1! {If a student gets one calculator)

4C1 = 4×3×2/3×2

4C1 = 4ways

3C1 = 3!/(3-2)!1! {If a student gets a ruler}

3C1 = 3×2/1

3C1 = 6ways

Total number of possible outcomes if a student gets one ruler and one calculator will be 4×6 = 24ways

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