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  • JMP Security Notice: CVE-2026-109618 and CVE-2026-109619

    JMP promptly initiated a review of its products, services, and relevant infrastructure for exposure to CVE-2026-109618 and CVE-2026-109619.

    Our assessment of JMP products has not identified exposure to these vulnerabilities. Where remediation was required within supporting environments, appropriate security updates and controls have been applied and validated.

    We have identified no evidence of successful exploitation or unauthorized access to JMP systems or customer information associated with these vulnerabilities.

    JMP continues to monitor the issue and relevant vendor guidance. No action is required by JMP customers at this time.

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Use of median range for average and range chart

Status: Archived Submitted by on ‎03-06-2018 01:31 AM
2 Comments (2 New)

XBar control chart allows me to use the average range (or average standard deviation).

In cases where some subgroup ranges (or standard deviations) are of high / very high value in relation to the routine values (i.e. "outliers"), their effect is to inflate the average range and to inflate the limits on the chart.

To avoid cycling through a delete and revise approach it is sometimes better and easier to just create limits based on the median range.

Can we please include this as an option in JMP? I think it would valuable. Moreover, if we allow for the median moving range for IR charts, why not allow for the median range for XBar charts?

2 Comments
Ryan_Gilmore
Community Manager Community Manager
Community Manager
‎10-26-2022 04:35 PM
‎10-26-2022 04:35 PM
Status changed to: Archived
We are archiving this request. If this is still important please comment with additional details and we will reopen. Thank you!
lehaofeng
Level V
‎07-17-2024 09:36 PM
‎07-17-2024 09:36 PM

I think this is very important ,so please consider it !