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    UK - Tax and NI. Rebate criteria...?

    NI contributions are not based on your annual pay, but are based on the pay you get in a pay period. If you exceed £97 per week in any pay period you will pay NI contributions on the excess in that period. Unlike tax, there is no rebate if you are paid less in the following period.
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    The distance in metres of a child on a swing from the person pushing them can

    be modelled by the function? y = 2.7 + 2.7sin(2 pie times t divide by 3. subtract. pie divided by 2) what are the maximum and minimum distances of the child from the person pushing them (in m)
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    carry out a fixed-level test using 5% significance level of the null hypothesis?

    H0: 7725 which is the underlying mean sample size is 11 below are statistics 5260 5470 5640 6180 6390 6515 6805 7515 7515 8230 8770 what is the observed value? What is the test statisitc? i get this as the h0 what is the null distribution of the test statistic?
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