it is claimed that the mean weekly share price return is more than $3\mathrm{.}50\%.$

Do the data provide significant support for this claim?

To test this claim, use a $5\%$ significance level using :

a$)$ the critical value approach $($classical approach$),$ and

b$)$ p$-$value approach

Compare and discuss the results of the above questions.

exchange Date Price Returns Volume Turnover $-$ AUD

$01-$Apr$-20223\mathrm{.}8900\mathrm{.}000\%65,021,887254,435,957\mathrm{.}000$

$08-$Apr$-20223\mathrm{.}820-1\mathrm{.}799\%70,279,166275,851,783\mathrm{.}000$

$15-$Apr$-20223\mathrm{.}980+4\mathrm{.}188\%55,274,111219,903,228\mathrm{.}000$

$22-$Apr$-20223\mathrm{.}880-2\mathrm{.}513\%75,943,914292,005,495\mathrm{.}000$

$29-$Apr$-20224\mathrm{.}110+5\mathrm{.}928\%110,505,995457,308,293\mathrm{.}000$

$06-$May$-20224\mathrm{.}320+5\mathrm{.}109\%58,613,283253,273,038\mathrm{.}000$

$13-$May$-20224\mathrm{.}210-2\mathrm{.}546\%51,193,840218,681,633\mathrm{.}000$

$20-$May$-20224\mathrm{.}550+8\mathrm{.}076\%53,940,814238,338,927\mathrm{.}000$

$27-$May$-20224\mathrm{.}190-7\mathrm{.}912\%66,126,574290,724,316\mathrm{.}000$

$03-$Jun$-20224\mathrm{.}550+8\mathrm{.}592\%50,471,949226,941,163\mathrm{.}000$

$10-$Jun$-20225\mathrm{.}110+12\mathrm{.}308\%87,338,261441,599,209\mathrm{.}000$

$17-$Jun$-20225\mathrm{.}270+3\mathrm{.}131\%42,092,710221,000,665\mathrm{.}000$

$24-$Jun$-20225\mathrm{.}520+4\mathrm{.}744\%59,070,551328,832,329\mathrm{.}000$

$01-$Jul$-20225\mathrm{.}270-4\mathrm{.}529\%73,215,428397,937,703\mathrm{.}000$

$08-$Jul$-20225\mathrm{.}100-3\mathrm{.}226\%54,160,057285,889,466\mathrm{.}000$

$15-$Jul$-20224\mathrm{.}920-3\mathrm{.}529\%59,042,758294,622,915\mathrm{.}000$

$22-$Jul$-20224\mathrm{.}890-0\mathrm{.}610\%34,150,205165,253,918\mathrm{.}000$

$29-$Jul$-20224\mathrm{.}850-0\mathrm{.}818\%12,874,72063,483,922\mathrm{.}000$

$05-$Aug$-20224\mathrm{.}920+1\mathrm{.}443\%34,230,939166,769,093\mathrm{.}000$

$12-$Aug$-20224\mathrm{.}880-0\mathrm{.}813\%26,794,293130,009,394\mathrm{.}000$

$19-$Aug$-20224\mathrm{.}850-0\mathrm{.}615\%29,205,955140,886,320\mathrm{.}000$

$26-$Aug$-20224\mathrm{.}500-7\mathrm{.}216\%35,775,479165,479,525\mathrm{.}000$

$02-$Sep$-20224\mathrm{.}740+5\mathrm{.}333\%41,265,367192,214,888\mathrm{.}000$

$09-$Sep$-20224\mathrm{.}550-4\mathrm{.}008\%47,443,444225,286,774\mathrm{.}000$

$16-$Sep$-20224\mathrm{.}620+1\mathrm{.}538\%42,861,712200,685,281\mathrm{.}000$

$23-$Sep$-20225\mathrm{.}000+8\mathrm{.}225\%112,158,604562,519,047\mathrm{.}000$

$30-$Sep$-20225\mathrm{.}100+2\mathrm{.}000\%59,038,627295,583,973\mathrm{.}000$

$07-$Oct$-20225\mathrm{.}300+3\mathrm{.}922\%55,445,267288,616,157\mathrm{.}000$

$14-$Oct$-20225\mathrm{.}350+0\mathrm{.}943\%63,164,965340,759,777\mathrm{.}000$

$21-$Oct$-20225\mathrm{.}110-4\mathrm{.}486\%33,822,359175,185,282\mathrm{.}000$

$28-$Oct$-20225\mathrm{.}100-0\mathrm{.}196\%27,981,740142,308,652\mathrm{.}000$

$04-$Nov$-20225\mathrm{.}450+6\mathrm{.}863\%29,920,470160,555,972\mathrm{.}000$

$11-$Nov$-20225\mathrm{.}180-4\mathrm{.}954\%29,952,157157,455,937\mathrm{.}000$

$18-$Nov$-20224\mathrm{.}990-3\mathrm{.}668\%36,269,061181,321,955\mathrm{.}000$

$25-$Nov$-2022$

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