Statistics
It refers to the entire group of individuals being studied
Population
What is the sign when we add 2026 negative numbers?
negative
What is the sign when you multiplied 2026 negative integers, and 2025 positive integers?
positive
Order the integers from least to greatest
-18, 7, 0, -6, -30, 9,-2,14
What is
-30, -18, -6, -2, 0, 7, 9, 14
The temperature started at 10. It dropped 15 degrees, dropped another 6 degrees and then rose 9 degrees. What was the ending temperature?
- 2 degrees
What is the most appropriate data collection method?
“You are testing the effectiveness of a new study technique on student performance. You randomly assign participants in two groups: one using the traditional study method and the other using the new technique. You then compare their exam scores to determine the impact of the new method.”
Experiment
** Double point bonus **
What is the sign when a negative is added to a positive number, given that the negative number has the greater absolute value?
**no steal**
negative
***double points***
Evaluate:
[(25)(-5)2] divided by [(5)(-5+5)]
undefined
Compare:
(-7 - 7)2 ______ 49
> or greater than
Carmen started with $80 in the bank. She withdrew $8 for three straight days and then deposited $6. How much is in her bank account now?
$62
*** double points ***
It is a way to organize data by grouping it into categories or intervals and showing the number of times each occurs
Frequency Distribution Method
Evaluate
The addition of
-110 + 20 - (-10)
- 80
Evaluate
(-1)2026(2026)
2026
*** double points ***
Evaluate:
(-96 ÷ 3) + (-20) - (-3)(4) + (-1)20
- 39
Mikayla gets on a roller coaster at the start. It goes 180 ft up the first hill, then goes rapidly down the hill descending 260 ft. She then stays flat for a while, got up the 2nd hill 100 ft and down that hill 45 ft. Where is she now in terms of where she started (answer using an integer)?
She is down 25 feet or at -25 feet
What is the most suitable sampling technique for the given scenario?
“A school sport committee wants to evaluate the physical fitness of the students in a junior high school. They divided the students into groups based on grade level (Grade 7 – 10) and select 20 students per grade level.”
Stratified sampling
Evaluate
The addition of
(-5)2 + (-7) + 3+ (-6) - 52
- 10
Evaluate
(-5 - 5) x (2 divided by (3 - 5))
10
Evaluate
|-15 - 10| + |23 - 62|
38
During the football game, the quarterback threw 5 times for 4 yards each. How many yards did he gain?
What is
5 (4 ) = 20 yard gain
The data shows the preferred subjects of Grade 7 students. What percentage of Grade 7 students preferred Mathematics?
frequency frequency
Math 35 English 95
Science 55 Filipino 65
14 %
Evaluate x2 + y2 - z2
when x = -14; y = 25; z = -11
700
Evaluate:
[(2)2 - (2+3)]2026 (2026)
2026
Starting at the middle step of the ladder, a fireman goes up by 7 steps, and down by 11 steps, up again by 6 steps, down by 7, finally up by 12 and found that he is on top of the ladder. How many steps are there in the ladder?
15 steps
Your team has been playing Jeopardy. You earn money when you get a question right and lose money when you get a question wrong.
Team 1 - got $300 question right, a $200 question right, three $400 questions wrong and a $500 question right.
How much money did team 1 have at the end of the game?
-$200