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DATE:

DUE DATE:

Choose

one:

MLV

STUDY:

SLV

STUDY:

Choose

one:

QUALITATIVE:

QUANTITATIVE:

METHOD TITLE:

STATISTICAL ADVISOR’S QUESTIONS:

1.

Does the statistical design of the study support the applicability statement? (i.e.,

Do the matrices, analytes and concentrations cover the applicability?)

Yes

No

2.

Are there sufficient data points per product/method evaluated (i.e., number of

laboratories, number of replicates per laboratory)?

Yes

No

3.

If data is pooled, is it clear that variances are homogeneous?

Yes

No

4.

If applicable, has statistics been calculated for S

r

, SM

R

, RSD

r

, RSD

R

, r, R, HORRAT and

Percent Recovery (see Part 6)?

Yes

No

5.

If so, have the calculations been done correctly?

Yes

No

6.

Has treatment of outliers (e.g., Cochran and Grubbs tests) been properly addressed

in conformity with AOAC guidelines?

Yes

No

7.

Have appropriate statistics been calculated correctly? Quantitative: Qualitative:

8.

Is the table of parameter estimates in AOAC format?

Yes

No

9.

Are the inferences/conclusions in line with the statistical parameter estimates?

Yes

No

10.

Do the appropriate statistics (or reference to table) appear immediately beneath

the title/ applicability of the method?

Yes

No

11.

Is the table presented in AOAC format?

Yes

No

12.

Does the repeatibility, reproducibility, sensititivity and HORRAT values appear

reasonable given the matrix, analyte and levels?

Yes

No

RECOMMENDATION:

Please choose one of the following:

A.

The data correspond to the approved study protocol or guidelines and the statistical analysis is acceptable

in the manuscript.

B.

Clarification(s) needed on data tables, data manipulation and/or statistical analysis would ensure that the

manuscript corresponds to the approved study protocol and/or guidelines with the indicated revisions.

C.

Manuscript needs the indicated revisions to be statistically acceptable and correspond with the study

protocol and/or guidelines.

D.

The data collected, data manipulation, data tables and statistical analyses in the manuscript do not

correspond to the approved study protocol or guidelines making the manuscript statistically unacceptable.

COMMENTS:

(attach a separate sheet, if necessary.)

NAME:

DATE:

Committee on Statistics

Interlaboratory Manuscript Review Form