。The x2-tests were of the null hypotheses that the distributions of both company type and ownership were the same for respondents and non-respondents.公司类型被分为国营（QUOTED）国营（UNQOUTED）和私营。公司所有制细分为总公司，英国公司附属公司和外国公司附属公司。In neither case could the null hypothesis be rejected at any conventional significance level. The t-tests were of the null hypotheses that the sample means of particular variables were equal for all respondents and non-respondents.Tests were reported for turnover,the number of employees,exports,pre-tax profits and the value of fixed tangible assets.

上面这段文字是爸爸的同事拿来请我帮忙翻译,由于他们都完全不会英文,而我又不是经济类专业,所以只会翻一点点,请哪位好心人帮忙翻译一下好么,谢谢!