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Which of these might contribute to similar distributions having Unequal Variance?
Suggested Answer: D
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32 comments · newest first
ME
Mendy
10 months ago
Not sure about multiple modes affecting variance like that.
LE
Lemuel
10 months ago
Yeah, I agree with D, all of the above makes sense.
LO
Louisa
11 months ago
I think all of them contribute, especially extreme tails.
SH
Shannon
11 months ago
Wait, multiple modes can cause unequal variance? That’s new to me!
DE
Delila
11 months ago
Definitely outliers can mess with variance!
RI
Ria
11 months ago
I’m leaning towards D, all of the above, since each factor seems to impact the distribution in some way. But I could be wrong!
BE
Becky
12 months ago
I feel like extreme tails and outliers are definitely related to variance, but I’m not completely sure about multiple modes.
AN
Anastacia
12 months ago
I think all of these factors could contribute to unequal variance. We had a practice question that mentioned multiple modes affecting distribution.
DE
Devora
12 months ago
I remember discussing how outliers can really skew variance, but I'm not sure if extreme tails also play a role.
LA
Lajuana
1 year ago
I'm a little confused by the wording of this question. Are they asking about what specifically causes the unequal variance, or just what factors might contribute to it? I'll have to read it carefully and make sure I understand the nuance before answering.
TO
Tomas
1 year ago
Okay, I've got this. Extreme tails, outliers, and multiple modes can all introduce variability and lead to unequal variance between similar distributions. I'm pretty sure the right answer is D, all of the above.
SI
Silvana
1 year ago
Hmm, I'm a bit unsure about this one. I know unequal variance can be caused by things like outliers or non-normal distributions, but I'm not totally confident in my ability to identify all the potential contributors. I'll have to think it through step-by-step.
SH
Shonda
1 year ago
This seems like a straightforward question about factors that can lead to unequal variance in similar distributions. I'll carefully consider each option and try to apply my understanding of statistical concepts.
CA
Carlton
1 year ago
Unequal variance? More like unequal sanity. I'm just hoping the exam doesn't have any 'extreme tails' of its own, if you know what I mean.
EL
Elli
1 year ago
D all the way, baby! Unequal variance is like a statistical sushi roll - you've got the extremes, the outliers, and maybe even a surprise mode or two. Gotta catch 'em all!
ME
Melvin
1 year ago
A) Extreme tails
CE
Celia
1 year ago
So, would you say the answer is D) All of the above?
JU
Justine
1 year ago
That's true, Shaun. Extreme tails can also impact the distribution.
SH
Shaun
1 year ago
I believe extreme tails can also lead to unequal variance.
SA
Samira
1 year ago
Hmm, I'm torn between C and D. Multiple modes are a telltale sign of unequal variance. But I suppose all the options could contribute, like a perfect storm of statistical chaos.
ME
Melissa
1 year ago
Yeah, extreme tails can also have a big impact on the distribution.
NI
Nidia
1 year ago
I think outliers could definitely play a role in unequal variance.
CE
Celia
1 year ago
I agree with you, Justine. Outliers can definitely affect the distribution.
ID
Idella
1 year ago
I'm going with B. Outliers are the big culprit here. Those rogue data points really mess up the variance.
YA
Yasuko
1 year ago
Yes, outliers can have a big impact on the variability of the data.
JU
Julio
1 year ago
I agree, outliers can skew the distribution and affect the variance.
DE
Deandrea
1 year ago
Outliers can definitely contribute to unequal variance.
JU
Justine
1 year ago
I think outliers can contribute to unequal variance.
RO
Rosalind
1 year ago
Definitely D. All of those can lead to unequal variance. Extreme tails and outliers skew the distribution, and multiple modes mean it's not a nice symmetric bell curve. Easy peasy!
DO
Dorothy
1 year ago
Multiple modes can make it tricky to calculate variance accurately.
LO
Lou
1 year ago
Yeah, extreme tails can definitely throw off the distribution.
RE
Reita
1 year ago
I agree, outliers can really mess up the variance.