5-Number Summary
Reliability vs. Validity
Recent Events
Music
100
If I performed the calculation Q4 - Q0 for a data set, have I found the:
A) IQR
B) Range
C) Median
D) 5-number summary
Q4 = Max
Q0 = Min
Max - Min = B) Range
100
You take an online personality test 3 times in a row and get three different personality types.
Is this a reliability or validity issue?
Reliability - the test was repeated but did not yield consistent results
100
This year's NAIDOC theme was Keep the Fire Burning: ______, ______ and _____?
100
The current Taylor Swift tour, which has been running since March 2023 and won't finihs until Dece,ber 2024, is known as the ______ Tour?
Eras
200
Q2 for a box plot/5-number summary is usually referred to as the ____________?
Median
200
Three students measure the temperature of a glass of water and get the same result. This means the measurement is valid. True or false?
False - it means it is reliable.
200
Last weekend, the Sydney Swans lost by 112 points, making them the only first-placed team to lose by more than 100 points in the last fifty years.
Who beat them?
Port Adelaide Power
200
Name the famous actor who featured on the Kanye West track "Gold Digger" and shares a surname with a common wild animal.
Jamie Foxx
300
What does the upper fence of a data set represent/mean?
The largest value we should have in our data set. Anything above it is an outlier.
300
We all used the same set of instructions when conducting our survey. Was this an effort to improve the reliability or the validity of our results?
Reliability - means the test can be repeated by different researchers but yield the same result
300
Current US president Joe Biden recently withdrew from the 2024 presidential election. Who has he endorsed as his replacement?
Double points: Joe Biden became the oldest president ever when he came into office in 2020. How old was he? (This was a data point in one of the sets we analysed last week--and an outlier, according to our calculations!)
Kamala Harris
78 years old (he is now 81!)
300
Out of all the tracks released as part of the Kendrick/Drake beef, which one has the most views on YouTube (61 million)?
Not Like Us
400
Identify the highest score that a student achieved on the 6th Grade Maths Test by reading off of this box plot below:
Between 96-98
400
Your dad's car has a speedo that is always showing 2km/h faster than he's actually driving. Is this an example of data that is:
A) Reliable but not valid
B) Valid but not reliable
C) Neither valid nor reliable
D) Both valid and reliable
A) Reliable but not valid, since its consistent every time, but measuring incorrectly every time.
400
Name this US athlete, who is the most-decorated gymnast in history and just led Team USA to another Olympic gold medal this week.
Simone Biles
400
What brand of shoes, commonly referred to in rap lyrics, are known commonly as "red bottoms"?
Christian Louboutin
500
Prove that there are outliers in this data set by calculating its upper and lower fence:
0, 6, 15, 15, 16, 16, 16, 17, 19, 28, 54
0, 6, 15, 15, 16, 16, 16, 17, 19, 28, 54
IQR = Q3 - Q1 = 19 - 15 = 4
LF = 15 - (1.5 x 4) = 9
UF = 19 + (1.5 x 4) = 25
So 0, 6, 28 and 54 are outliers
500
A research study attempts to assess whether trans and gender-diverse young people have had positive or negative experiences playing for sport teams. They only interview the parents of trans and gender-diverse young people.
Why would this cause this a validity issue?
Not assessing the experiences of the actual population
500
Where is Australia on the current gold medal tally at the Olympics?
3rd
500
What were the nicknames of each of the Spice Girls?
100 points for each correct answer
Scary Spice - Mel B
Sporty Spice - Mel C
Baby Spice - Emma Bunton
Ginger Spice - Geri Halliwell
Posh Spice - Victoria Beckham