Statistics
What's the mode for the following data?
5, 6, 9, 5, 4, 5, 6, 7, 10, 6
5 and 6
What's the percentage of change if something used to cost $3000, and is now $9000?
200%
If I had 5000 data, which type of graph should I use?
Histograms
What are the odds of getting a number below 3 when you throw a die?
2/6 = 1/3
What's the value of x?
3x + 7 = 6x + 10
x = -1
What's the range for the following data?
41, 45, 36, 30, 32, 49, 47
19
What's the percentage of change if something used to cost $5000 and is now $2000?
60%
Is the Scatte Plot, positive, negative or has no correlation according to the case:
Time climbing a mountain and the height of the mountain
Positive
How many choices do we have if I have 4 shirts and 3 pants?
12
How do we call the number we count with?
Natural Numbers
What's the median for the following data?
3, 7, 5, 4, 7, 4, 5, 10
6
What's the formula for simple Interest?
I = Prt
Is the Scatte Plot, positive, negative or has no correlation according to the case:
Time a submarine takes to go beneath the sea level
Negative
What are the odds of getting tails when I toss a coin AND getting an even number when I roll a die, at the same time?
1/4 = 3/12
How do we call numbers that have only 2 divisors?
Prime Numbers
What's the mean for the following data?
30, 31, 33, 33, 34
32
What's the other way the formula I = Prt can be written?
I = Cit
What's the difference between histograms and bar chart?
The histograms have bigger bars and use intervals.
What are the odd of getting a 2 numbers that add up to 7, when your roll 2 dice?
1/6
How many Prime Number do we have between 1-100?
25
What's the frequency?
The amount of times a data appears
How much will I have to pay if I bought a car for $400,000 with an interest rate of 5% and I forgot to pay for 5 months?
$500,000
How would the intervals look for 132 data and 6 intervals?
1-22, 23-44, 45-66, 67-88, 89-110, 111-132
What was the name of the mathematician that is considered the father of probability?
LaPlace
What's the formula for the area of a trapeze?
((B+b) x h) / 2