[qwiz style=”width: auto !important; min-height: auto !important; border-width: 4px !important; border-color: #0099cc !important; ” align=”center”]

[h] Hematology & Oncology System Flashcards

[i] Master this session in just 5 minutes.

[q] Mean is the Mathematical average. We can calculate mean by……?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IEFkZCB0b2dldGhlciBhbGwgdmFsdWVzIGFuZCBkaXZpZGUgYnkgbnVtYmVyIG9mIG9ic2VydmF0aW9ucy4=[Qq]

[q] Median is the 50th percentile. We can calculate median by ……?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFRoZSBtaWRkbGUgbnVtYmVyLg==

JiM4MjExOyBUaGUgbWVkaWFuIG9mIGFuIG9yZGVyZWQgZGF0YXNldCBpcyB0aGUgbnVtYmVyIHRoYXQgc2VwYXJhdGVzIHRoZSByaWdodCBoYWxmIG9mIHRoZSBkYXRhIGZyb20gdGhlIGxlZnQgaGFsZi4=

JiM4MjExOyBJZiBldmVuIG51bWJlciBvZiBvYnNlcnZhdGlvbnM7IGFkZCBtaWRkbGUgMiBudW1iZXJzIGFuZCBkaXZpZGUgYnkgMi4=[Qq]

[q] In ………… Mean = median = mode.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IE5vcm1hbCBkaXN0cmlidXRpb24gY3VydmUsIGFsc28gY2FsbGVkIGJlbGwtc2hhcGVkIGN1cnZlLg==[Qq]

[q]……… tend to be resistant to outliers.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IE1vZGVzLg==[Qq]

[q] In ………, there is asymmetry with longer tail on left. Typically, mean<median<mode.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IE5lZ2F0aXZlIHNrZXdlZCBjdXJ2ZS4=[Qq]

[q] In ………, there is asymmetry with longer tail on right. Typically, mean>median>mode.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFBvc2l0aXZlIHNrZXdlZCBjdXJ2ZS4=[Qq]

[q]  …….. of all the values lie within 1 standard deviation from the mean. …… of values are within 2 standard deviations from the mean and ….. are within 3 standard deviations.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IDY4JSwgOTUlLCA5OS43ICUgUnVsZS4=[Qq]

[q] ……… is the range of values in which one can be 95% confident that the true mean of the underlying population falls.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IDk1JSBjb25maWRlbmNlIGludGVydmFsIChDbCku

[q] Z score for the 95% CI is ….,  Z score for the 99% CI is ….

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]

Rm9yIHRoZSA5NSUgQ0ksIFogPSAxLjk2Lg==

Rm9yIHRoZSA5OSUgQ0ksIFogPSAyLjU4Lg==

[q] Interpreting Confidence Intervals for Relative Risks and Odds Ratios:

1. If the 95% CI for odds ratio or relative risk includes 1?

2. If the CIs between 2 groups overlap?
3. If the CIs between 2 groups do not overlap?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]

MS4gVGhlcmUgaXMgbm8gc2lnbmlmaWNhbnQgZGlmZmVyZW5jZS4=

Mi4gTm8gc2lnbmlmaWNhbnQgZGlmZmVyZW5jZSBleGlzdHMu

3. Statistically significant difference exists.

[q] The p-value is the probability of observing a given (or more extreme) result due to chance alone, assuming the null hypothesis is true. A result is generally considered statistically significant when p ≤ …….

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IHAg4omkMC4wNQ==[Qq]

[q] Which type of statistical error?

– Reject the null hypothesis when it is really true.

– Stating that there is an effect or difference when none exists (null hypothesis incorrectly rejected in favor of alternative hypothesis).

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFR5cGUgSSAoYWxwaGEgZXJyb3IpLg==[Qq]

[q] …… estimates chance of Type I error?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IENvbXB1dGVkIHAtdmFsdWUu[Qq]

[q] Which type of statistical error?

– Not reject the null hypothesis when it is really false.

– Stating that there is not an effect or difference when one exists (null hypothesis is not rejected when it is in fact false).

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFR5cGUgSUkgKGJldGEgZXJyb3IpLg==[Qq]

[q] 1-Power = …….

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFR5cGUgSUkgZXJyb3Iu[Qq]

[q] …… is the probability of rejecting the null hypothesis when it is truly false?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFN0YXRpc3RpY2FsIFBvd2VyLg==[Qq]

[q] 1 – β= ….?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFN0YXRpc3RpY2FsIFBvd2VyLg==[Qq]

[q] List Three things increase the power of your study…..?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]

JiM4MjExOyBMYXJnZXIgc2FtcGxlIHNpemUgKG1vcmUgaW5mb3JtYXRpb24pLiBUaGVyZSBpcyBwb3dlciBpbiBudW1iZXJzLg==
CiYjODIxMTsgTGFyZ2VyIGVmZmVjdCBzaXplIChsb29raW5nIGZvciBzb21ldGhpbmcgYmlnZ2VyKS4=
CiYjODIxMTsg4oaRIHByZWNpc2lvbiBvZiBtZWFzdXJlbWVudC4=[Qq]

[q] Which type of Statistical Test?

Checking the differences between means of 2 groups (comparing the mean blood pressure between men and women)?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFQtVGVzdC4gVGVhIGlzIG1lYW50IGZvciAyLg==[Qq]

[q] Which type of Statistical Test?

Checks differences between means of 3 or more groups (comparing the mean blood pressure between members of 3 different ethnic groups)?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IEFOT1ZBLiBBTmFseXNpcyBPZiBWQXJpYW5jZSAoMyB3b3Jkcyku[Qq]

[q] Which type of Statistical Test?

Checks differences between 2 or more percentages or proportions of categorical outcomes (not mean values)?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IENoaS1TcXVhcmUuIFByb25vdW5jZSBDaGktdGVnb3JpY2FsLg==[Qq]

[q] …….. is used instead of chi-square test with small populations?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IEZpc2hlcuKAmXMgZXhhY3QgdGVzdC4=[Qq]

[q] Choose the correct Pearson correlation between these values (-1, -.8, -.2, 0, +.2, +.8, +1)

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]

JiM4MjExOyBQb3NpdGl2ZSBudW1iZXIg4oaSIHByb3BvcnRpb25hbCByZWxhdGlvbnNoaXAgKGFzIG9uZSB2YXJpYWJsZSDihpEsIHRoZSBvdGhlciB2YXJpYWJsZSDihpEpLg==

JiM4MjExOyBOZWdhdGl2ZSBudW1iZXIg4oaSIGludmVyc2UgcmVsYXRpb25zaGlwIChhcyBvbmUgdmFyaWFibGUg4oaRLCB0aGUgb3RoZXIgdmFyaWFibGUg4oaTKS4=

– The closer the absolute value of r is to 1, the stronger the linear correlation between the 2 variables, either positive or negative.

– A correlation coefficient of 0 → there is no association (a random distribution).

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