Probstat/week13 practice 1

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เนื้อหา

1 Reviews
2 Tests concerning the mean of a population: known $Wikimedia Error * { margin: 0; padding: 0; } body { background: #fff; font: 15px/1.6 sans-serif; color: #333; } .content { margin: 7% auto 0; padding: 2em 1em 1em; max-width: 640px; display: flex; flex-direction: row; flex-wrap: wrap; } .footer { clear: both; margin-top: 14%; border-top: 1px solid #e5e5e5; background: #f9f9f9; padding: 2em 0; font-size: 0.8em; text-align: center; } img { margin: 0 2em 2em 0; } a img { border: 0; } h1 { margin-top: 1em; font-size: 1.2em; } .content-text { flex: 1; } p { margin: 0.7em 0 1em 0; } a { color: #0645ad; text-decoration: none; } a:hover { text-decoration: underline; } code { font-family: sans-serif; } summary { font-weight: bold; cursor: pointer; } details[open] { background: #970302; color: #dfdedd; } .text-muted { color: #777; } @media (prefers-color-scheme: dark) { a { color: #9e9eff; } body { background: transparent; color: #ddd; } .footer { border-top: 1px solid #444; background: #060606; } #logo { filter: invert(1) hue-rotate(180deg); } .text-muted { color: #888; } }$

Error

Too many requests (f061ab2)

If you report this error to the Wikimedia System Administrators, please include the details below.
Request served via cp5021 cp5021, Varnish XID 417478147 Upstream caches: cp5021 int Error: 429, Too many requests (f061ab2) at Sat, 28 Feb 2026 16:34:43 GMT
Sensitive client information
IP address: 158.108.32.49

$\sigma$
3 Tests concerning the mean of a population: unknown
4 Tests concerning the equality means of normal population: known $Wikimedia Error * { margin: 0; padding: 0; } body { background: #fff; font: 15px/1.6 sans-serif; color: #333; } .content { margin: 7% auto 0; padding: 2em 1em 1em; max-width: 640px; display: flex; flex-direction: row; flex-wrap: wrap; } .footer { clear: both; margin-top: 14%; border-top: 1px solid #e5e5e5; background: #f9f9f9; padding: 2em 0; font-size: 0.8em; text-align: center; } img { margin: 0 2em 2em 0; } a img { border: 0; } h1 { margin-top: 1em; font-size: 1.2em; } .content-text { flex: 1; } p { margin: 0.7em 0 1em 0; } a { color: #0645ad; text-decoration: none; } a:hover { text-decoration: underline; } code { font-family: sans-serif; } summary { font-weight: bold; cursor: pointer; } details[open] { background: #970302; color: #dfdedd; } .text-muted { color: #777; } @media (prefers-color-scheme: dark) { a { color: #9e9eff; } body { background: transparent; color: #ddd; } .footer { border-top: 1px solid #444; background: #060606; } #logo { filter: invert(1) hue-rotate(180deg); } .text-muted { color: #888; } }$

Error

Too many requests (f061ab2)

If you report this error to the Wikimedia System Administrators, please include the details below.
Request served via cp5021 cp5021, Varnish XID 446924810 Upstream caches: cp5021 int Error: 429, Too many requests (f061ab2) at Sat, 28 Feb 2026 16:34:45 GMT
Sensitive client information
IP address: 158.108.32.49

$\sigma$

Reviews

Tests concerning the mean of a population: known $Wikimedia Error * { margin: 0; padding: 0; } body { background: #fff; font: 15px/1.6 sans-serif; color: #333; } .content { margin: 7% auto 0; padding: 2em 1em 1em; max-width: 640px; display: flex; flex-direction: row; flex-wrap: wrap; } .footer { clear: both; margin-top: 14%; border-top: 1px solid #e5e5e5; background: #f9f9f9; padding: 2em 0; font-size: 0.8em; text-align: center; } img { margin: 0 2em 2em 0; } a img { border: 0; } h1 { margin-top: 1em; font-size: 1.2em; } .content-text { flex: 1; } p { margin: 0.7em 0 1em 0; } a { color: #0645ad; text-decoration: none; } a:hover { text-decoration: underline; } code { font-family: sans-serif; } summary { font-weight: bold; cursor: pointer; } details[open] { background: #970302; color: #dfdedd; } .text-muted { color: #777; } @media (prefers-color-scheme: dark) { a { color: #9e9eff; } body { background: transparent; color: #ddd; } .footer { border-top: 1px solid #444; background: #060606; } #logo { filter: invert(1) hue-rotate(180deg); } .text-muted { color: #888; } } Error Too many requests (f061ab2) If you report this error to the Wikimedia System Administrators, please include the details below. Request served via cp5021 cp5021, Varnish XID 417478147 Upstream caches: cp5021 int Error: 429, Too many requests (f061ab2) at Sat, 28 Feb 2026 16:34:43 GMT Sensitive client information IP address: 158.108.32.49$

Tests concerning the mean of a population: unknown

Tests concerning the equality means of normal population: known $Wikimedia Error * { margin: 0; padding: 0; } body { background: #fff; font: 15px/1.6 sans-serif; color: #333; } .content { margin: 7% auto 0; padding: 2em 1em 1em; max-width: 640px; display: flex; flex-direction: row; flex-wrap: wrap; } .footer { clear: both; margin-top: 14%; border-top: 1px solid #e5e5e5; background: #f9f9f9; padding: 2em 0; font-size: 0.8em; text-align: center; } img { margin: 0 2em 2em 0; } a img { border: 0; } h1 { margin-top: 1em; font-size: 1.2em; } .content-text { flex: 1; } p { margin: 0.7em 0 1em 0; } a { color: #0645ad; text-decoration: none; } a:hover { text-decoration: underline; } code { font-family: sans-serif; } summary { font-weight: bold; cursor: pointer; } details[open] { background: #970302; color: #dfdedd; } .text-muted { color: #777; } @media (prefers-color-scheme: dark) { a { color: #9e9eff; } body { background: transparent; color: #ddd; } .footer { border-top: 1px solid #444; background: #060606; } #logo { filter: invert(1) hue-rotate(180deg); } .text-muted { color: #888; } } Error Too many requests (f061ab2) If you report this error to the Wikimedia System Administrators, please include the details below. Request served via cp5021 cp5021, Varnish XID 446924810 Upstream caches: cp5021 int Error: 429, Too many requests (f061ab2) at Sat, 28 Feb 2026 16:34:45 GMT Sensitive client information IP address: 158.108.32.49$

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